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Peter  Johnstone

Peter Johnstone, MD

Vice Chair, Department of Radiation Oncology

Program: Radiation Oncology

Research Program: Health Outcomes & Behavior Program

Contact

  • Overview

    Associations

    • Radiation Oncology
    • Health Outcomes and Behavior
    • Health Outcomes & Behavior Program

    Education & Training

    Internship:

    • National Naval Medical Center - Imtern

    Board Certification:

      Residency:

      • National Cancer Institute - Radiation Oncology

      Medical School:

      • Uniformed Services University of the Health Sciences - MD
    • Research Interest

      Dr. Johnstone's recent focus has been divided between process analyses and survivorship issues: identification of the impact of cancer or its therapy on patients' quality of life, and then intervening palliate toxicity.  Of specific interest is the use of Integrative therapies in this regard. His group is now investigating complementary modalities with physiologic monitoring in such patients.

    • Publications

      • Keit E, Nanda R, Johnstone PAS. Thirty-day mortality as a metric for palliative radiotherapy in pediatric patients. Curr Opin Support Palliat Care. 2024 Mar.18(1):65-69. Pubmedid: 38170195.
      • Sachdeva A, McGuinness L, Zapala Ł, Greco I, Garcia-Perdomo HA, Kailavasan M, Antunes-Lopes T, Ayres B, Barreto L, Campi R, Crook J, Johnstone P, Kumar V, Manzie K, Marcus JD, Necchi A, Oliveira P, Osborne J, Pagliaro LC, Protzel C, Bryan Rumble R, Sánchez Martínez DF, Spiess PE, Tagawa ST, van der Heijden MS, Parnham AS, Pettaway CA, Albersen M, Sangar VK, Brouwer OR, Sakalis VI. Management of Lymph Node-positive Penile Cancer: A Systematic Review. Eur Urol. 2024 Mar.85(3):257-273. Pubmedid: 37208237.
      • Mills M, Miller J, Liveringhouse C, Bryant JM, Kawahara Y, Feygelman V, Latifi K, Yang G, Johnstone PA, Naghavi AO. Novel Postoperative Hypofractionated Accelerated Radiation Dose-Painting Approach for Soft Tissue Sarcoma. Adv Radiat Oncol. 2024 Mar.9(3):101391. Pubmedid: 38495036. Pmcid: PMC10943519.
      • Rades D, Simone CB, Wong HCY, Chow E, Lee SF, Johnstone PAS. Reirradiation of metastases of the central nervous system: part 1-brain metastasis. Ann Palliat Med. 2024 Mar. Pubmedid: 38509654.
      • Ionescu F, Nguyen J, Segura CM, Paravathaneni M, Grass GD, Johnstone P, Zacharias NM, Pettaway CA, Lu X, Kim Y, Whiting J, Dhillon J, Eschrich SA, Chadha J, Gullapalli K, Roman Souza G, Miyagi H, Manley BJ, Spiess PE, Chahoud J. Multiplex Immunofluorescence Captures Progressive Immune Exhaustion with Advancing Penile Squamous Cell Cancer Stage. Cancers (Basel). 2024 Jan.16(2). Pubmedid: 38275860. Pmcid: PMC10814242.
      • Youssef I, Elst L, Watkin N, de Vries HM, Brouwer O, Protzel C, Ayres B, Albersen M, Spiess PE, Johnstone PAS. International case series of metastasis to penis. BJUI Compass. 2024 Jan.5(1):166-169. Pubmedid: 38179026. Pmcid: PMC10764158.
      • Brouwer OR, Rumble RB, Ayres B, Sánchez Martínez DF, Oliveira P, Spiess PE, Johnstone PAS, Crook J, Pettaway CA, Tagawa ST. Penile Cancer: EAU-ASCO Collaborative Guidelines Update Q and A. JCO Oncol Pract. 2024 Jan.20(1):33-37. Pubmedid: 37956391.
      • Johnstone PAS, Simone CB. The evolving landscape of stereotactic radiosurgery for localized vertebral metastases of the spine. Ann Palliat Med. 2023 Sep.12(5):981-983. Pubmedid: 37691337.
      • Liveringhouse CL, Palm RF, Bryant JM, Yang GQ, Mills MN, Figura ND, Ahmed KA, Mullinax J, Gonzalez R, Johnstone PA, Naghavi AO. Neoadjuvant Simultaneous Integrated Boost Radiation Therapy Improves Clinical Outcomes for Retroperitoneal Sarcoma. Int J Radiat Oncol Biol Phys. 2023 Sep.117(1):123-138. Pubmedid: 36935026.
      • Johnstone PAS. Magnetic resonance guidance is enough for prostate cancer: save adaptation for the patients it will really help. Cancer. 2023 Oct.129(19):2944-2945. Pubmedid: 37483137.
      • Elst L, Vreeburg MTA, de Vries HM, Vandermaesen K, Murphy T, Churchill J, Fallara G, Sanchez D, Falcone M, Garcia-Perdomo HA, Pettaway C, Hakenberg O, Johnstone P, Spiess PE, Muneer A, Sangar V, Parnham A, Ayres B, Watkin N, Brouwer OR, Albersen M. Corporal Skip Metastases in Penile Squamous Cell Carcinoma: An Unknown and Distinct Pattern of Spread with Poor Prognosis. Eur Urol Oncol. 2023 Oct. Pubmedid: 37813746.
      • Keit E, Lee SF, Woodward M, Rembielak A, Shiue K, Desideri I, Oldenburger E, Bienz M, Rades D, Theodorou M, Agyeman MB, Yarney J, Bryant JM, Yu HM, Simone CB, Hoskin P, Johnstone PAS. Palliative whole brain radiation therapy: an international state of practice. Ann Palliat Med. 2023 Nov.12(6):1155-1164. Pubmedid: 37731303.
      • Wong HCY, Chan AW, Johnstone P, Simone CB, Navarro-Domenech I, Hoskin P, Johnstone C, Recht A, Menten J, van der Linden YM, van der Velden JM, Nguyen QN, Lutz S, Andratschke N, Wilmann J, Kazmierska J, Spalek M, Lim F, Yu HM, Perez B, Marta GN, Vassiliou V, Lee SF, Bonomo P, Rembielak A, Chow E, Oldenburger E, Raman S. A critical appraisal of the four systematic reviews and meta-analysis on stereotactic body radiation therapy versus external beam radiotherapy for painful bone metastases and where we go from here. Ann Palliat Med. 2023 Nov.12(6):1318-1330. Pubmedid: 37303218.
      • Navarro-Domenech I, Behroozian T, Hoskin P, Johnstone C, Recht A, Menten J, Oldenburger E, van der Linden YM, van der Velden JM, Nguyen QN, Simone CB, Johnstone P, Lutz S, Milton L, Andratschke N, Willmann J, Kazmierska J, Spałek M, Marta GN, Chow E, Raman S. Addressing concerns and uncertainties surrounding the application of palliative radiotherapy in cases with a 30-day expected mortality. Ann Palliat Med. 2023 Nov.12(6):1488-1490. Pubmedid: 37953216.
      • Navarro-Domenech I, Behroozian T, Hoskin P, Johnstone C, Recht A, Menten J, Oldenburger E, van der Linden YM, van der Velden JM, Nguyen QN, Simone CB, Johnstone P, Lutz S, Milton L, Andratschke N, Willmann J, Kazmierska J, Spałek M, Marta GN, Chow E, Raman S. Appropriateness of the 30-day expected mortality metric in palliative radiation treatment: a narrative review. Ann Palliat Med. 2023 May.12(3):620-632. Pubmedid: 37081704.
      • Liveringhouse C, Netzley A, Bryant JM, Linkowski LC, Weygand J, Sandoval ML, Dohm A, Dookhoo M, Kelley S, Rosenberg SA, Latifi K, Torres-Roca JF, Johnstone PAS, Yamoah K, Grass GD. Trimodal Therapy Using an MR-guided Radiation Therapy Partial Bladder Tumor Boost in Muscle Invasive Bladder Cancer. Adv Radiat Oncol. 2023 May.8(6):101268. Pubmedid: 38047218. Pmcid: PMC10692296.
      • Grass GD, Chahoud J, Lopez A, Dhillon J, Eschrich SA, Johnstone PAS, Spiess PE. An Analysis of Nectin-4 (PVRL4) in Penile Squamous Cell Carcinoma. Eur Urol Open Sci. 2023 Mar.49:1-5. Pubmedid: 36660545. Pmcid: PMC9843170.
      • Brouwer OR, Albersen M, Parnham A, Protzel C, Pettaway CA, Ayres B, Antunes-Lopes T, Barreto L, Campi R, Crook J, Fernández-Pello S, Greco I, van der Heijden MS, Johnstone PAS, Kailavasan M, Manzie K, Marcus JD, Necchi A, Oliveira P, Osborne J, Pagliaro LC, Garcia-Perdomo HA, Rumble RB, Sachdeva A, Sakalis VI, Zapala Ł, Sánchez Martínez DF, Spiess PE, Tagawa ST. European Association of Urology-American Society of Clinical Oncology Collaborative Guideline on Penile Cancer: 2023 Update. Eur Urol. 2023 Jun.83(6):548-560. Pubmedid: 36906413.
      • Grass GD, Ercan D, Obermayer AN, Shaw T, Stewart PA, Chahoud J, Dhillon J, Lopez A, Johnstone PAS, Rogatto SR, Spiess PE, Eschrich SA. An Assessment of the Penile Squamous Cell Carcinoma Surfaceome for Biomarker and Therapeutic Target Discovery. Cancers (Basel). 2023 Jul.15(14). Pubmedid: 37509297. Pmcid: PMC10377392.
      • Parza K, Mustasam A, Ionescu F, Paravathaneni M, Sandstrom R, Safa H, Grass GD, Johnstone PA, Eschrich SA, Chadha J, Zacharias N, Pettaway CA, Spiess PE, Chahoud J. The Prognostic Role of Human Papillomavirus and p16 Status in Penile Squamous Cell Carcinoma-A Systematic Review. Cancers (Basel). 2023 Jul.15(14). Pubmedid: 37509374. Pmcid: PMC10378259.
      • Keit E, Liveringhouse C, Figura N, Weygand J, Sandoval ML, Garcia G, Peters J, Nieder M, Faramand R, Khimani F, Kim S, Robinson TJ, Johnstone PAS, Penagaricano J, Latifi K. Feasibility and Toxicity of Full-Body Volumetric Modulated Arc Therapy Technique for High-Dose Total Body Irradiation. Technol Cancer Res Treat. 2023 Jan.22. Pubmedid: 37287260. Pmcid: PMC10272663.
      • Fink AKC, DeRenzis AC, Awasthi S, Jahan N, Johnstone PAS, Pow-Sang J, Torres-Roca J, Grass D, Fernandez D, Naghavi A, Tan S, Manley B, Li R, Poch M, Yu A, Little N, Bass E, Ercole CE, Katsoulakis E, Burri R, Smith R, Stanley NB, Vadaparampil ST, Yamoah K. Identifying and overcoming barriers to participation of minority populations in clinical trials: Lessons learned from the VanDAAM study. Cancer Med. 2023 Jan.12(2):1869-1877. Pubmedid: 35796421. Pmcid: PMC9883445.
      • C Y Wong H, Fung Lee S, Wai Chan A, Caini S, Hoskin P, Simone Ii CB, Johnstone P, van der Linden Y, van der Velden JM, Martin E, Alcorn S, Johnstone C, Isabelle Choi J, Nader Marta G, Oldenburger E, Raman S, Rembielak A, Vassiliou V, Bonomo P, Nguyen QN, Chow E, Ryu S. Stereotactic body radiation therapy versus conventional external beam radiotherapy for spinal metastases: A systematic review and meta-analysis of randomized controlled trials. Radiother Oncol. 2023 Dec.189:109914. Pubmedid: 37739318.
      • Greco I, Fernandez-Pello S, Sakalis VI, Barreto L, Albersen M, Ayres B, Antunes Lopes T, Campi R, Crook J, García Perdomo HA, Johnstone PAS, Kailavasan M, Manzie K, Marcus JD, Necchi A, Oliveira P, Osborne J, Pagliaro LC, Parnham AS, Pettaway CA, Protzel C, Rumble RB, Sachdeva A, Sanchez Martinez DF, Zapala Ł, Tagawa ST, Spiess PE, Brouwer OR. Systematic Review and Meta-analysis of Minimally Invasive Procedures for Surgical Inguinal Nodal Staging in Penile Carcinoma. Eur Urol Focus. 2023 Dec. Pubmedid: 38071107.
      • Behroozian T, Navarro I, Hoskin P, Johnstone C, Recht A, Menten J, Oldenburger E, van der Linden Y, van der Velden JM, Nguyen QN, Simone CB, Johnstone P, Lutz S, Milton L, Andratschke N, Willmann J, Kazmierska J, Spałek M, Chow E, Raman S. Update on the systematic review/meta-analysis of uncomplicated bone metastases treated with external beam radiation. Radiother Oncol. 2022 Sep.174:109-110. Pubmedid: 35850265.
      • Youssef I, Hoogland AI, Chahoud J, Spiess PE, Jim H, Johnstone PAS. Patient reported outcomes in advanced penile cancer. Urol Oncol. 2022 Sep.40(9):412.e9-412.e13. Pubmedid: 35662500.
      • Song EY, Chuang J, Frakes JM, Dilling T, Quinn JF, Rosenberg S, Johnstone P, Harrison L, Hoffe SE. Developing a Dedicated Leadership Curriculum for Radiation Oncology Residents. J Cancer Educ. 2022 Oct.37(5):1446-1453. Pubmedid: 33619686.
      • Patel A, Naghavi AO, Johnstone PA, Spiess PE, Grass GD. Updates in the use of radiotherapy in the management of primary and locally-advanced penile cancer. Asian J Urol. 2022 Oct.9(4):389-406. Pubmedid: 36381600. Pmcid: PMC9643293.
      • Coghill AE, Brownstein NC, Sinha S, Thompson ZJ, Dickey BL, Hoogland AI, Johnstone PA, Suneja G, Jim HS. Patient-Reported Outcomes in Cancer Patients with HIV. Cancers (Basel). 2022 Nov.14(23). Pubmedid: 36497369. Pmcid: PMC9739107.
      • Oswald LB, Brownstein NC, Whiting J, Hoogland AI, Saravia S, Kirtane K, Chung CH, Vinci C, Gonzalez BD, Johnstone PAS, Jim HSL. Smoking Is Related to Worse Cancer-related Symptom Burden. Oncologist. 2022 Mar.27(2):e176-e184. Pubmedid: 35641215. Pmcid: PMC8895733.
      • Bulls HW, Chang PH, Brownstein NC, Zhou JM, Hoogland AI, Gonzalez BD, Johnstone P, Jim HSL. Patient-reported symptom burden in routine oncology care: Examining racial and ethnic disparities. Cancer Rep (Hoboken). 2022 Mar.5(3):e1478. Pubmedid: 34165256. Pmcid: PMC8955049.
      • Yuan Z, Yang GQ, Ahmed KA, Torres-Roca JF, Spiess PE, Johnstone PA. Radiation therapy in the management of the inguinal region in penile cancer: What's the evidence?. Urol Oncol. 2022 Jun.40(6):223-228. Pubmedid: 32482510.
      • Youssef I, Poch M, Raghunand N, Pow-Sang J, Johnstone PAS. Analysis of MRI radiomic pelvimetry and correlation with margin status after robotic prostatectomy. Can J Urol. 2022 Feb.29(1):10976-10978. Pubmedid: 35150217.
      • Johnstone PAS, Spiess PE, Sedor G, Grass GD, Yamoah K, Scott JG, Torres-Roca JF. Changing Radiotherapy Paradigms in Penile Cancer. Eur Urol Open Sci. 2022 Feb.36:47-48. Pubmedid: 35028598. Pmcid: PMC8739469.
      • Johnstone PAS, Kerstiens J, Wasserman S, Rosenberg SA. MRI-Linac Economics II: Rationalizing Schedules. J Clin Med. 2022 Feb.11(3). Pubmedid: 35160318. Pmcid: PMC8836757.
      • Awasthi S, Grass GD, Torres-Roca J, Johnstone PAS, Pow-Sang J, Dhillon J, Park J, Rounbehler RJ, Davicioni E, Hakansson A, Liu Y, Fink AK, DeRenzis A, Creed JH, Poch M, Li R, Manley B, Fernandez D, Naghavi A, Gage K, Lu-Yao G, Katsoulakis E, Burri RJ, Leone A, Ercole CE, Palmer JD, Vapiwala N, Deville C, Rebbeck TR, Dicker AP, Kelly W, Yamoah K. Genomic Testing in Localized Prostate Cancer Can Identify Subsets of African Americans With Aggressive Disease. J Natl Cancer Inst. 2022 Dec.114(12):1656-1664. Pubmedid: 36053178. Pmcid: PMC9745424.
      • Rishi A, Saini AS, Spiess PE, Yu A, Fernandez DC, Johnstone PAS, Naghavi AO. Novel portable apparatus for outpatient high-dose-rate (HDR) brachytherapy in penile cancer. Brachytherapy. 2022 Aug.21(6):839-847. Pubmedid: 35915039.
      • Johnstone PAS, de Vries HM, Chipollini J, Grass GD, Boyd F, Korkes F, Albersen M, Roussel E, Zhu Y, Ye DW, Master V, Le TL, Muneer A, Brouwer OR, Spiess PE. Impact of radiation therapy on perineal urethrostomy for penile cancer. Clin Transl Radiat Oncol. 2021 Sep.30:84-87. Pubmedid: 34430718. Pmcid: PMC8367760.
      • Hoffman KE, Johnstone P. A 25-year perspective on the evolution of radiation treatment of urologic cancers. Urol Oncol. 2021 Sep.39(9):577-581. Pubmedid: 34325987.
      • Das IJ, Compton JJ, Bajaj A, Johnstone PA. Intra- and inter-physician variability in target volume delineation in radiation therapy. J Radiat Res. 2021 Sep. Pubmedid: 34505151.
      • Palm RF, Eicher KG, Sim AJ, Peneguy S, Rosenberg SA, Wasserman S, Johnstone PAS. Assessment of MRI-Linac Economics under the RO-APM. J Clin Med. 2021 Oct.10(20). Pubmedid: 34682829. Pmcid: PMC8539760.
      • Bandini M, Ross JS, Zhu Y, Ye DW, Ornellas AA, Watkin N, Ayres BA, Hakenberg OW, Heidenreich A, Salvioni R, Catanzaro M, Raggi D, Giannatempo P, Marandino L, Haidl F, Pederzoli F, Briganti A, Montorsi F, Chipollini J, Azizi M, De Meerleer G, Brouwer OR, Grass GD, Johnstone PA, Albersen M, Spiess PE, Necchi A. Association Between Human Papillomavirus Infection and Outcome of Perioperative Nodal Radiotherapy for Penile Carcinoma. Eur Urol Oncol. 2021 Oct.4(5):802-810. Pubmedid: 33199252.
      • Yuan Z, Fernandez D, Dhillon J, Abraham-Miranda J, Awasthi S, Kim Y, Zhang J, Jain R, Serna A, Pow-Sang JM, Poch M, Li R, Manley B, Fink A, Naghavi A, Torres-Roca JF, Grass GD, Kim S, Latifi K, Hunt D, Johnstone PAS, Yamoah K. Proof-of-principle Phase I results of combining nivolumab with brachytherapy and external beam radiation therapy for Grade Group 5 prostate cancer: safety, feasibility, and exploratory analysis. Prostate Cancer P D. 2021 Mar.24(1):140-149. Pubmedid: 32651467. Pmcid: PMC7882397.
      • Mokhtech M, Laird JH, Maroongroge S, Zhu D, Falit B, Johnstone PAS, Mantz CA, Ennis RD, Sandler HM, Dosoretz AP, Yu JB. Drivers of Medicare Spending: A 15-Year Review of Radiation Oncology Charges Allowed by the Medicare Physician/Supplier Fee-for-Service Program Compared With Other Specialties. Int J Radiat Oncol Biol Phys. 2021 Jun.110(2):322-327. Pubmedid: 33412264.
      • Sandoval ML, Youssef I, Latifi K, Grass GD, Torres-Roca J, Rosenberg S, Yamoah K, Johnstone PA. Non-Adaptive MR-Guided Radiotherapy for Prostate SBRT: Less Time, Equal Results. J Clin Med. 2021 Jul.10(15). Pubmedid: 34362179. Pmcid: PMC8347281.
      • Koo J, Nardella L, Degnan M, Andreozzi J, Yu HM, Penagaricano J, Johnstone PAS, Oliver D, Ahmed K, Rosenberg SA, Wuthrick E, Diaz R, Feygelman V, Latifi K, Moros EG, Redler G. Triggered kV Imaging During Spine SBRT for Intrafraction Motion Management. Technol Cancer Res Treat. 2021 Jan.20. Pubmedid: 34855577. Pmcid: PMC8649431.
      • Johnstone PAS, Canter D, Spiess PE. Reply to Vedang Murthy, Abhilash Gavarraju, and Rahul Krishnatry's Letter to the Editor re: Peter A.S. Johnstone, David Boulware, Rosa Djajadiningrat, et al. Primary Penile Cancer: The Role of Adjuvant Radiation Therapy in the Management of Extranodal Ext. Eur Urol Focus. 2021 Jan.7(1):226. Pubmedid: 31000494.
      • Bandini M, Zhu Y, Ye DW, Ornellas AA, Watkin N, Ayres B, Hakenberg OW, Heidenreich A, Raggi D, Giannatempo P, Marandino L, Haidl F, Pederzoli F, Briganti A, Montorsi F, Chipollini J, Azizi M, De Meerleer G, Brouwer OR, Grass GD, Johnstone PA, Albersen M, Spiess PE, Necchi A. Contemporary Treatment Patterns and Outcomes for Patients with Penile Squamous Cell Carcinoma: Identifying Management Gaps to Promote Multi-institutional Collaboration. Eur Urol Oncol. 2021 Feb.4(1):121-123. Pubmedid: 32943378.
      • de Vries HM, Chipollini J, Slongo J, Boyd F, Korkes F, Albersen M, Roussel E, Zhu Y, Ye DW, Master V, Le TL, Johnstone PA, Muneer A, Brouwer OR, Spiess PE. Outcomes of perineal urethrostomy for penile cancer: A 20-year international multicenter experience. Urol Oncol. 2021 Aug.39(8):500.e9-500.e13. Pubmedid: 34134926.
      • Liveringhouse C, Sim A, Yamoah K, Poch M, Wilder RB, Pow-Sang J, Johnstone PAS. Phase I dose escalation trial of stereotactic radiotherapy prior to robotic prostatectomy in high risk prostate cancer. Rep Pract Oncol Radiother. 2021 Apr.26(2):188-195. Pubmedid: 34211768. Pmcid: PMC8241300.
      • Johnstone PAS, Alla R, Yu HM, Portman D, Cheng H, Mitchell R, Jim H. Patient-reported outcomes: using ESAS to screen for anemia. Support Care Cancer. 2020 Sep.28(9):4141-4145. Pubmedid: 31872297. Pmcid: PMC7771327.
      • Palm RF, Jim HSL, Boulware D, Johnstone PAS, Naghavi AO. Using the revised Edmonton symptom assessment scale during neoadjuvant radiotherapy for retroperitoneal sarcoma. Clin Transl Radiat Oncol. 2020 May.22:22-28. Pubmedid: 32181374. Pmcid: PMC7063105.
      • Jim HSL, Hoogland AI, Brownstein NC, Barata A, Dicker AP, Knoop H, Gonzalez BD, Perkins R, Rollison D, Gilbert SM, Nanda R, Berglund A, Mitchell R, Johnstone PAS. Innovations in research and clinical care using patient-generated health data. CA-Cancer J Clin. 2020 May.70(3):182-199. Pubmedid: 32311776. Pmcid: PMC7488179.
      • Sim AJ, Ahmed KA, Keller A, Figura NB, Oliver DE, Sarangkasiri S, Robinson TJ, Johnstone PAS, Yu HM, Naghavi AO. Outcomes and the Role of Primary Histology Following LINAC-based Stereotactic Radiation for Sarcoma Brain Metastases. Am J Clin Oncol. 2020 May.43(5):356-361. Pubmedid: 32217854.
      • Hoogland AI, Mansfield J, Lafranchise EA, Bulls HW, Johnstone PA, Jim HSL. eHealth literacy in older adults with cancer. Geriatr Oncol. 2020 Jul.11(6):1020-1022. Pubmedid: 31917114. Pmcid: PMC8320530.
      • Aydin AM, Zemp L, Cheriyan SK, Sexton WJ, Johnstone PAS. Contemporary management of early stage testicular seminoma. Transl Androl Urol. 2020 Jan.9(Suppl 1):S36-S44. Pubmedid: 32055484. Pmcid: PMC6995845.
      • Sim AJ, Redler G, Peacock J, Naso C, Wasserman S, McNitt KB, Hoffe SE, Johnstone PAS, Harrison LB, Rosenberg SA. Harnessing COVID-Driven Technical Innovations for Improved Multi-Disciplinary Cancer Care in the Post-COVID Era: The Virtual Patient Room. Cancer Control. 2020 Jan.27(1). Pubmedid: 33023342. Pmcid: PMC7791470.
      • Figura NB, Oliver DE, Mohammadi H, Martinez K, Grass GD, Hoffe SE, Johnstone PAS, Frakes JM. Novel Dose Escalation Approaches for Stereotactic Body Radiotherapy to Adrenal Oligometastases: A Single-Institution Experience. Am J Clin Oncol. 2020 Feb.43(2):107-114. Pubmedid: 31764023.
      • Chahoud J, Skelton WP, Spiess PE, Walko C, Dhillon J, Gage KL, Johnstone PAS, Jain RK. Case Report: Two Cases of Chemotherapy Refractory Metastatic Penile Squamous Cell Carcinoma With Extreme Durable Response to Pembrolizumab. Front Oncol. 2020 Dec.10:615298. Pubmedid: 33425770. Pmcid: PMC7793656.
      • Nanda R, Boulware D, Baz R, Portman D, Yu HM, Jim H, Johnstone PAS. Patient-reported outcomes regarding radiation therapy in patients with multiple myeloma. Acta Oncol. 2020 Aug.59(8):983-987. Pubmedid: 32496846. Pmcid: PMC7771243.
      • Parikh N, Keshishian E, Sharma A, Roca M, Manley B, Poch M, Grass GD, Torres-Roca J, Boulware D, Johnstone P, Montejo M, Smith J, Pow-Sang J, Yamoah K. Prostatic Artery Embolization Is Safe and Effective for Medically Recalcitrant Radiation-Induced Prostatitis. Adv Radiat Oncol. 2020 Apr.5(5):905-909. Pubmedid: 33083652. Pmcid: PMC7557125.
      • Parikh N, Keshishian E, Sharma A, Roca M, Manley B, Poch M, Grass GD, Torres-Roca J, Boulware D, Johnstone P, Montejo M, Smith J, Pow-Sang J, Yamoah K. Prostatic Artery Embolization Is Safe and Effective for Medically Recalcitrant Radiation-Induced Prostatitis. Adv Radiat Oncol. 2020 Apr.
      • Yuan Z, Grass GD, Azizi M, Ahmed KA, Yoder GSJ, Welsh EA, Fulp WJ, Dhillon J, Torres-Roca JF, Giuliano AR, Spiess PE, Johnstone PA. Intrinsic radiosensitivity, genomic-based radiation dose and patterns of failure of penile cancer in response to adjuvant radiation therapy. Rep Pract Oncol Radiother. 2019 Nov.24(6):593-599. Pubmedid: 31719799. Pmcid: PMC6839006.
      • Johnstone PAS, Bulls HW, Zhou JM, Lee JK, Portman D, Yu HM, Jim H. Congruence of multiple patient-related outcomes within a single day. Support Care Cancer. 2019 Mar.27(3):867-872. Pubmedid: 30069695. Pmcid: PMC7771273.
      • Johnstone PAS, Peneguy S, Showalter TN, Yu JB. The case for radiotherapy in a Value based environment. Rep Pract Oncol Radiother. 2019 Mar.24(2):200-203. Pubmedid: 30833828. Pmcid: PMC6384322.
      • Johnstone PAS, Spiess PE, Giuliano AR. New directions in penile cancer. Lancet Oncol. 2019 Jan.20(1):16-17. Pubmedid: 30573286.
      • Azizi M, Tang DH, Verduzco D, Peyton CC, Chipollini J, Yuan Z, Schaible BJ, Zhou JM, Johnstone PA, Giuliano A, Dhillon J, Spiess PE. Impact of PI3K-AKT-mTOR Signaling Pathway Up-regulation on Prognosis of Penile Squamous-Cell Carcinoma: Results From a Tissue Microarray Study and Review of the Literature. Clin Genitourin Cancer. 2019 Feb.17(1):e80-e91. Pubmedid: 30318447. Pmcid: PMC9339208.
      • Palm RF, Oliver DE, Yang GQ, Abuodeh Y, Naghavi AO, Johnstone PAS. The role of dose escalation and proton therapy in perioperative or definitive treatment of chondrosarcoma and chordoma: An analysis of the National Cancer Data Base. Cancer. 2019 Feb.125(4):642-651. Pubmedid: 30644538.
      • Slongo J, Giuliano AR, Johnstone PA, Spiess PE. The relationship between HPV and penile cancer: Filling a knowledge gap in the general population. Can Urol Assoc J. 2019 Feb.13(2):38. Pubmedid: 30721126. Pmcid: PMC6363573.
      • Asamoah FA, Yarney J, Awasthi S, Vanderpuye V, Dadzie MA, Fink A, Naghavi AO, Abrahams A, Mensah JE, Sasu E, Tagoe SN, Dhillon J, Johnstone PAS, Yamoah K. Definitive Radiation Treatment Patterns and Outcomes for Low and Intermediate Risk Prostate Cancer Patients: A Cross-Continental Comparative Study. Am J Clin Oncol. 2019 Dec.42(12):937-944. Pubmedid: 31584456. Pmcid: PMC6887629.
      • Yuan Z, Naghavi AO, Tang D, Kim Y, Ahmed KA, Dhillon J, Giuliano AR, Spiess PE, Johnstone PA. The relationship between HPV status and chemoradiotherapy in the locoregional control of penile cancer. World J Urol. 2018 Sep.36(9):1431-1440. Pubmedid: 29589134. Pmcid: PMC7771321.
      • Johnstone PAS, Boulware D, Djajadiningrat R, Ottenhof S, Necchi A, Catanzaro M, Ye D, Zhu Y, Nicolai N, Horenblas S, Spiess PE. Primary Penile Cancer: The Role of Adjuvant Radiation Therapy in the Management of Extranodal Extension in Lymph Nodes. Eur Urol Focus. 2018 Oct.5(5):737-741. Pubmedid: 30327282. Pmcid: PMC7771242.
      • Armanious MA, Mohammadi H, Khodor S, Oliver DE, Johnstone PA, Fradley MG. Cardiovascular effects of radiation therapy. Curr Prob Cancer. 2018 Jul.42(4):433-442. Pubmedid: 30006103.
      • Asamoah FA, Yarney J, Awasthi S, Vanderpuye V, Venkat PS, Fink AK, Naghavi AO, Abrahams A, Mensah JE, Sasu E, Tagoe SNA, Johnstone PAS, Yamoah K. Contemporary Radiation Treatment of Prostate Cancer in Africa: A Ghanaian Experience. J Glob Oncol. 2018 Jul.4:1-13. Pubmedid: 30085846. Pmcid: PMC6223508.
      • Chipollini J, Chaing S, Peyton CC, Sharma P, Kidd LC, Giuliano AR, Johnstone PA, Spiess PE. National Trends and Predictors of Locally Advanced Penile Cancer in the United States (1998-2012). Clin Genitourin Cancer. 2018 Feb.16(1):e121-e127. Pubmedid: 28866244.
      • Kerstiens J, Johnstone GP, Johnstone PAS. Proton Facility Economics: Single-Room Centers. J Am Coll Radiol. 2018 Dec.15(12):1704-1708. Pubmedid: 30158085.
      • Johnstone GP, Johnstone PAS. The Oncologist's Role in Managing Financial Toxicity. Int J Radiat Oncol Biol Phys. 2018 06.101(2):306-308. Pubmedid: 29726360.
      • Johnstone PAS, Lee J, Zhou JM, Ma Z, Portman D, Jim H, Yu HM. A modified Edmonton Symptom Assessment Scale for symptom clusters in radiation oncology patients. Cancer Med. 2017 Sep.6(9):2034-2041. Pubmedid: 28776964. Pmcid: PMC5603842.
      • Tang DH, Djajadiningrat R, Diorio G, Chipollini J, Ma Z, Schaible BJ, Catanzaro M, Ye D, Zhu Y, Nicolai N, Horenblas S, Johnstone PAS, Spiess PE. Adjuvant pelvic radiation is associated with improved survival and decreased disease recurrence in pelvic node-positive penile cancer after lymph node dissection: A multi-institutional study. Urol Oncol. 2017 Oct.35(10):605.e17-605.e23. Pubmedid: 28666722. Pmcid: PMC7771352.
      • Witt CM, Balneaves LG, Cardoso MJ, Cohen L, Greenlee H, Johnstone P, Kücük Ö, Mailman J, Mao JJ. A Comprehensive Definition for Integrative Oncology. J Natl Cancer Inst Monogr. 2017 Nov.2017(52). Pubmedid: 29140493.
      • Smith GL, Ganz PA, Bekelman JE, Chmura SJ, Dignam JJ, Efstathiou JA, Jagsi R, Johnstone PA, Steinberg ML, Williams SB, Yu JB, Zietman AL, Weichselbaum RR, Tina Shih YC. Promoting the Appropriate Use of Advanced Radiation Technologies in Oncology: Summary of a National Cancer Policy Forum Workshop. Int J Radiat Oncol Biol Phys. 2017 Mar.97(3):450-461. Pubmedid: 28011046. Pmcid: PMC6044722.
      • Ahmed KA, Kim S, Arrington J, Naghavi AO, Dilling TJ, Creelan BC, Antonia SJ, Caudell JJ, Harrison LB, Sahebjam S, Gray JE, Etame AB, Johnstone PA, Yu M, Perez BA. Outcomes targeting the PD-1/PD-L1 axis in conjunction with stereotactic radiation for patients with non-small cell lung cancer brain metastases. J Neurooncol. 2017 Jun.133(2):331-338. Pubmedid: 28466250.
      • Scott JG, Berglund A, Schell MJ, Mihaylov I, Fulp WJ, Yue B, Welsh E, Caudell JJ, Ahmed K, Strom TS, Mellon E, Venkat P, Johnstone P, Foekens J, Lee J, Moros E, Dalton WS, Eschrich SA, McLeod H, Harrison LB, Torres-Roca JF. A genome-based model for adjusting radiotherapy dose (GARD): a retrospective, cohort-based study. Lancet Oncol. 2017 Feb.18(2):202-211. Pubmedid: 27993569. Pmcid: PMC7771305.
      • Ahmed KA, Berglund AE, Welsh EA, Naghavi AO, Kim Y, Yu M, Robinson TJ, Eschrich SA, Johnstone PA, Torres-Roca JF. The radiosensitivity of brain metastases based upon primary histology utilizing a multigene index of tumor radiosensitivity. Neurooncol. 2017 Aug.19(8):1145-1146. Pubmedid: 28379582. Pmcid: PMC5570253.
      • Yamoah K, Johnstone PA. Proton beam therapy: clinical utility and current status in prostate cancer. Onco Targets Ther. 2016 Sep.9:5721-5727. Pubmedid: 27695349. Pmcid: PMC5033502.
      • Echevarria M, Ahmed KA, Patel B, Abuodeh YA, Naghavi AO, Sarangkasiri S, Johnstone PA, Etame AB, Yu HM. Clinical Outcomes of Combined BRAF and MEK Inhibition With Stereotactic Radiation for BRAF Mutant Melanoma Brain Metastases. Int J Radiat Oncol Biol Phys. 2016 Oct.96(2S):E115-E116. Pubmedid: 27673816.
      • Schneider AL, Deig CR, Prasad KG, Nelson BG, Mantravadi AV, Brigance JS, Langer MP, McDonald MW, Johnstone PA, Moore MG. Ability of the National Surgical Quality Improvement Program Risk Calculator to Predict Complications Following Total Laryngectomy. JAMA Otolaryngol Head Neck Surg. 2016 Oct.142(10):972-979. Pubmedid: 27467967.
      • Spiess PE, Dhillon J, Baumgarten AS, Johnstone PA, Giuliano AR. Pathophysiological basis of human papillomavirus in penile cancer: Key to prevention and delivery of more effective therapies. CA-Cancer J Clin. 2016 Nov.66(6):481-495. Pubmedid: 27314890.
      • Hamilton JB, Worthy VC, Kurtz MJ, Cudjoe J, Johnstone PA. Using Religious Songs as an Integrative and Complementary Therapy for the Management of Psychological Symptoms Among African American Cancer Survivors. Cancer Nurs. 2016 Nov.39(6):488-494. Pubmedid: 26859281.
      • Konski A, Yu JB, Freedman G, Harrison LB, Johnstone PA, Konski A, Yu JB, Freedman G, Harrison LB, Johnstone PA. Radiation Oncology Practice: Adjusting to a New Reimbursement Model. J Oncol Pract. 2016 May.12(5):e576-e583. Pubmedid: 27006359.
      • Johnstone PA, Kerstiens J. Reconciling Reimbursement for Proton Therapy. Int J Radiat Oncol Biol Phys. 2016 May.95(1):9-10. Pubmedid: 27084616.
      • Ahmed KA, Stallworth DG, Kim Y, Johnstone PA, Harrison LB, Caudell JJ, Yu HH, Etame AB, Weber JS, Gibney GT. Clinical outcomes of melanoma brain metastases treated with stereotactic radiation and anti-PD-1 therapy. Ann Oncol. 2016 Mar.27(3):434-441. Pubmedid: 26712903.
      • Abuodeh Y, Ahmed KA, Naghavi AO, Venkat PS, Sarangkasiri S, Johnstone PA, Etame AB, Yu HM. Postoperative Stereotactic Radiosurgery Using 5-Gy × 5 Sessions in the Management of Brain Metastases. World Neurosurg. 2016 Jun.90:58-65. Pubmedid: 26921701.
      • Ahmed KA, Demetriou SK, McDonald M, Johnstone PA. Clinical Benefits of Proton Beam Therapy for Tumors of the Skull Base. Cancer Control. 2016 Jul.23(3):213-219. Pubmedid: 27556661.
      • Naghavi A, Johnstone P, Kim S. Clinical trials exploring the benefit of immunotherapy and radiation in cancer treatment: A review of the past and a look into the future. Curr Prob Cancer. 2016 Jan.40(1):38-67. Pubmedid: 26656977.
      • McDonald MW, Liu Y, Moore MG, Johnstone PA. Acute toxicity in comprehensive head and neck radiation for nasopharynx and paranasal sinus cancers: cohort comparison of 3D conformal proton therapy and intensity modulated radiation therapy. Radiat Oncol. 2016 Feb.11:32. Pubmedid: 26922239. Pmcid: PMC4769827.
      • Ahmed KA, Abuodeh YA, Echevarria MI, Arrington JA, Stallworth DG, Hogue C, Naghavi AO, Kim S, Kim Y, Patel BG, Sarangkasiri S, Johnstone PA, Sahebjam S, Khushalani NI, Forsyth PA, Harrison LB, Yu M, Etame AB, Caudell JJ. Clinical outcomes of melanoma brain metastases treated with stereotactic radiosurgery and anti-PD-1 therapy, anti-CTLA-4 therapy, BRAF/MEK inhibitors, BRAF inhibitor, or conventional chemotherapy. Ann Oncol. 2016 Dec.27(12):2288-2294. Pubmedid: 27637745. Pmcid: PMC8890451.
      • Poleszczuk JT, Johnstone PA, Enderling H. Stratifying prostate cancer patients by relative lymph node involvement: population- and modeling-based study. Cancer Med. 2016 Aug.5(8):1850-1855. Pubmedid: 27227813. Pmcid: PMC4884636.
      • Patel BG, Ahmed KA, Johnstone PA, Yu HM, Etame AB. Initial experience with combined BRAF and MEK inhibition with stereotactic radiosurgery for BRAF mutant melanoma brain metastases. Melanoma Res. 2016 Aug.26(4):382-386. Pubmedid: 26926151.
      • Hoopes DJ, Johnstone PA, Chapin PS, Schubert Kabban CM, Lee WR, Chen AB, Fraass BA, Skinner WJ, Marks LB. Practice patterns for peer review in radiation oncology. Pract Radiat Oncol. 2015 Oct.5(1):32-38. Pubmedid: 25413419.
      • Orman A, Markoe A, Johnstone PA. Leptomeningeal failure of retinoblastoma. Pediatr Blood Cancer. 2015 Mar.62(3):533-535. Pubmedid: 25262657.
      • McMullen KP, Hanson T, Bratton J, Johnstone PA. Parameters of anesthesia/sedation in children receiving radiotherapy. Radiat Oncol. 2015 Mar.10:65. Pubmedid: 25889312. Pmcid: PMC4362639.
      • Johnstone PA, Enderling H. Mathematical Modeling of Acupuncture as Cancer Symptom Therapy: First Steps. J Acupunct Meridian Stud. 2015 Jun.8(3):113-114. Pubmedid: 26100063.
      • Thompson LM, Osian SR, Jacobsen PB, Johnstone PA. Patient-reported Outcomes of Acupuncture for Symptom Control in Cancer. J Acupunct Meridian Stud. 2015 Jun.8(3):127-133. Pubmedid: 26100066.
      • Panoff J, Simoneaux RV, Shah N, Scott M, Buchsbaum JC, Johnstone PA, McMullen KP. Radiation therapy at end of life in children. J Palliat Med. 2015 Feb.18(2):167-169. Pubmedid: 25216446.
      • McMullen KP, Hanson T, Bratton J, Johnstone PA. Parameters of anesthesia/sedation in children receiving radiotherapy. Radiat Oncol. 2015 Dec.10(1):363. Pmcid: PMC4362639.
      • Estabrook NC, McDonald MW, Hoene TA, Bartlett GK, Johnstone PA, McMullen KP, Buchsbaum JC. Proton Radiotherapy for Midline Central Nervous System Lesions: A Class Solution. Oncology-Basel. 2015 Apr.89(2):111-117. Pubmedid: 25895699.
      • Johnstone PA, Kerstiens J. Doing poorly by doing good: the bottom line of proton therapy for children. J Am Coll Radiol. 2014 Oct.11(10):995-997. Pubmedid: 24881504.
      • McMullen KP, Kerstiens J, Johnstone PA. Practical aspects of pediatric proton radiation therapy. Cancer J. 2014 Nov.20(6):393-396. Pubmedid: 25415684.
      • Jones JA, Lutz ST, Chow E, Johnstone PA. Palliative radiotherapy at the end of life: a critical review. CA-Cancer J Clin. 2014 Nov.64(5):296-310. Pubmedid: 25043971.
      • Bratton J, Johnstone PA, McMullen KP. Outpatient management of vascular access devices in children receiving radiotherapy: complications and morbidity. Pediatr Blood Cancer. 2014 Mar.61(3):499-501. Pubmedid: 23956113.
      • Josson S, Matsuoka Y, Gururajan M, Nomura T, Huang WC, Yang X, Lin JT, Bridgman R, Chu CY, Johnstone PA, Zayzafoon M, Hu P, Zhau H, Berel D, Rogatko A, Chung LW. Inhibition of β2-microglobulin/hemochromatosis enhances radiation sensitivity by induction of iron overload in prostate cancer cells. PLoS One. 2014 Mar.8(7):e68366. Pubmedid: 23874600. Pmcid: PMC3707913.
      • McMullen K, Buchsbaum J, Douglas J, McDonald M, Johnstone P. Growth abnormalities of the spine after radiation therapy: Respecting the past while moving forward in proton craniospinal irradiation. Pract Radiat Oncol. 2014 Mar.3(4):337-343. Pubmedid: 24674407.
      • Kerstiens J, Johnstone PA. Proton therapy expansion under current United States reimbursement models. Int J Radiat Oncol Biol Phys. 2014 Jun.89(2):235-240. Pubmedid: 24685152.
      • Walker PK, Edwards AC, Das IJ, Johnstone PA. Radiation safety considerations in proton aperture disposal. Health Phys. 2014 Apr.106(4):523-527. Pubmedid: 24562073.
      • Johnstone PA, McMullen KP, Buchsbaum JC, Douglas JG, Helft P. Pediatric CSI: are protons the only ethical approach?. Int J Radiat Oncol Biol Phys. 2013 Oct.87(2):228-230. Pubmedid: 23958143.
      • Ray GL, Buchsbaum JC, McMullen KP, Simoneaux RV, Hines M, Douglas JG, Johnstone PA. Definitive treatment of leptomeningeal spinal metastases in children. Pediatr Blood Cancer. 2013 Nov.60(11):1839-1841. Pubmedid: 23788317.
      • Johnstone PA. Radiation oncology peer review: measuring quality. J Am Coll Radiol. 2013 May.10(5):314-316. Pubmedid: 23433786.
      • Elnahal SM, Kerstiens J, Helsper RS, Zietman AL, Johnstone PA. Proton beam therapy and accountable care: the challenges ahead. Int J Radiat Oncol Biol Phys. 2013 Mar.85(4):e165-e172. Pubmedid: 23265572.
      • Das IJ, Andrews JZ, Cao M, Johnstone PA. Correlation of 2D parameters to lung and heart dose-volume in radiation treatment of breast cancer. Acta Oncol. 2013 Jan.52(1):178-183. Pubmedid: 22486295.
      • Srivastava SP, Das IJ, Kumar A, Johnstone PA, Cheng CW. Impact of rectal balloon-filling materials on the dosimetry of prostate and organs at risk in photon beam therapy. J Appl Clin Med Phys. 2013 Jan.14(1):3993. Pubmedid: 23318385. Pmcid: PMC5713667.
      • Cheng CW, Das IJ, Srivastava SP, Zhao L, Wolanski M, Simmons J, Johnstone PA, Buchsbaum JC. Dosimetric comparison between proton and photon beams in the moving gap region in cranio-spinal irradiation (CSI). Acta Oncol. 2013 Apr.52(3):553-560. Pubmedid: 22554342.
      • Buchsbaum JC, McMullen KP, Douglas JG, Jackson JL, Simoneaux RV, Hines M, Bratton J, Kerstiens J, Johnstone PA. Repetitive pediatric anesthesia in a non-hospital setting. Int J Radiat Oncol Biol Phys. 2013 Apr.85(5):1296-1300. Pubmedid: 23207418.
      • Miller ED, Robb BW, Cummings OW, Johnstone PA. The effects of preoperative chemoradiotherapy on lymph node sampling in rectal cancer. Dis Colon Rectum. 2012 Sep.55(9):1002-1007. Pubmedid: 22874609.
      • Shapiro RH, Johnstone PA. Risk of Gleason grade inaccuracies in prostate cancer patients eligible for active surveillance. Urology. 2012 Sep.80(3):661-666. Pubmedid: 22925240.
      • Miller ED, Derenchuk V, Das IJ, Johnstone PA. Impact of proton beam availability on patient treatment schedule in radiation oncology. J Appl Clin Med Phys. 2012 Nov.13(6):3968. Pubmedid: 23149788. Pmcid: PMC5718540.
      • Toole M, Lutz S, Johnstone PA. Radiation oncology quality: aggressiveness of cancer care near the end of life. J Am Coll Radiol. 2012 Mar.9(3):199-202. Pubmedid: 22386167.
      • McDonald MW, Moore MG, Johnstone PA. Risk of carotid blowout after reirradiation of the head and neck: a systematic review. Int J Radiat Oncol Biol Phys. 2012 Mar.82(3):1083-1089. Pubmedid: 21549520.
      • MacDougall DS, Connor UM, Johnstone PA. Comprehensibility of patient consent forms for radiation therapy of cervical cancer. Gynecol Oncol. 2012 Jun.125(3):600-603. Pubmedid: 22370598.
      • Price TR, Perkins SM, Sandrasegaran K, Henderson MA, Maluccio MA, Zook JE, Tector AJ, Vianna RM, Johnstone PA, Cardenes HR. Evaluation of response after stereotactic body radiotherapy for hepatocellular carcinoma. Cancer. 2012 Jun.118(12):3191-3198. Pubmedid: 22025126.
      • Johnstone PA. NCI Surveillance, Epidemiology & End Results (SEER) registry. Foreword. Curr Prob Cancer. 2012 Jul.36(4):182. Pubmedid: 22824197.
      • Barriger RB, Forquer JA, Brabham JG, Andolino DL, Shapiro RH, Henderson MA, Johnstone PA, Fakiris AJ. A dose-volume analysis of radiation pneumonitis in non-small cell lung cancer patients treated with stereotactic body radiation therapy. Int J Radiat Oncol Biol Phys. 2012 Jan.82(1):457-462. Pubmedid: 21035956.
      • Hoopes DJ, Kaziska D, Chapin P, Weed D, Smith BD, Hale ER, Johnstone PA. Patient preferences and physician practice patterns regarding breast radiotherapy. Int J Radiat Oncol Biol Phys. 2012 Feb.82(2):674-681. Pubmedid: 21277106.
      • Johnstone PA, Miller ED, Moore MG. Preoperative radiotherapy decreases lymph node yield of neck dissections for head and neck cancer. Otolaryngol Head Neck Surg. 2012 Aug.147(2):278-280. Pubmedid: 22460732.
      • Johnstone PA, Kerstiens J, Richard H. Proton facility economics: the importance of "simple" treatments. J Am Coll Radiol. 2012 Aug.9(8):560-563. Pubmedid: 22863464.
      • Singhal M, Vincent A, Simoneaux V, Johnstone PA, Buchsbaum JC. Overcoming the learning curve in supine pediatric proton craniospinal irradiation. J Am Coll Radiol. 2012 Apr.9(4):285-287. Pubmedid: 22469382.
      • Zeidan YH, Shiue K, Weed D, Johnstone PA, Terry C, Freeman S, Krowiak E, Borrowdale R, Huntley T, Yeh A. Intraoperative radiotherapy for parotid cancer: a single-institution experience. Int J Radiat Oncol Biol Phys. 2012 Apr.82(5):1831-1836. Pubmedid: 21514074.
      • Cao M, Ko SC, Slessinger ED, DesRosiers CM, Johnstone PA, Das IJ. A simple method for dose fusion from multimodality treatment of prostate cancer: brachytherapy to external beam therapy. Brachytherapy. 2011 Sep.10(3):214-220. Pubmedid: 20843747.
      • Andolino DL, Johnson CS, Maluccio M, Kwo P, Tector AJ, Zook J, Johnstone PA, Cardenes HR. Stereotactic body radiotherapy for primary hepatocellular carcinoma. Int J Radiat Oncol Biol Phys. 2011 Nov.81(4):e447-e453. Pubmedid: 21645977.
      • Srivastava SP, Das IJ, Kumar A, Johnstone PA. Dosimetric comparison of manual and beam angle optimization of gantry angles in IMRT. Med Dosim. 2011 Nov.36(3):313-316. Pubmedid: 20817436.
      • Hafeez I, Lawenda BD, Schilder JM, Johnstone PA. Prolonged survival after episiotomy recurrence of cervical cancer complicating pregnancy. Eur J Gynaecol Oncol. 2011 May.32(2):211-213. Pubmedid: 21614919.
      • Johnstone PA. Foreword. Continued debate regarding optimal surgery, radiation techniques, and chemotherapy regimens. Curr Prob Cancer. 2011 May.35(3):96. Pubmedid: 21635985.
      • Srivastava SP, Das IJ, Kumar A, Johnstone PA. Dosimetric comparison of split field and fixed jaw techniques for large IMRT target volumes in the head and neck. Med Dosim. 2011 Jun.36(1):6-9. Pubmedid: 19944592.
      • Josson S, Sharp S, Sung SY, Johnstone PA, Aneja R, Wang R, Gururajan M, Turner T, Chung LW, Yates C. Tumor-Stromal Interactions Influence Radiation Sensitivity in Epithelial- versus Mesenchymal-Like Prostate Cancer Cells. J Oncol. 2011 Jul.2010. Pubmedid: 20798867. Pmcid: PMC2926670.
      • Scheer RV, Fakiris AJ, Johnstone PA. Quantifying the benefit of a pathologic complete response after neoadjuvant chemoradiotherapy in the treatment of esophageal cancer. Int J Radiat Oncol Biol Phys. 2011 Jul.80(4):996-1001. Pubmedid: 20584580.
      • Andolino DL, Forquer JA, Henderson MA, Barriger RB, Shapiro RH, Brabham JG, Johnstone PA, Cardenes HR, Fakiris AJ. Chest wall toxicity after stereotactic body radiotherapy for malignant lesions of the lung and liver. Int J Radiat Oncol Biol Phys. 2011 Jul.80(3):692-697. Pubmedid: 21288656.
      • Das IJ, Cao M, Cheng CW, Misic V, Scheuring K, Schüle E, Johnstone PA. A quality assurance phantom for electronic portal imaging devices. J Appl Clin Med Phys. 2011 Feb.12(2):3350. Pubmedid: 21587179. Pmcid: PMC5718680.
      • Johnstone PA. Acupuncture as cancer symptom therapy: what a difference a decade makes. J Acupunct Meridian Stud. 2011 Dec.4(4):209-213. Pubmedid: 22196502.
      • Brannan AG, Johnstone PA, Cooper J. Extracapsular tumor extension in cervical lymph nodes: reconciling the literature and seer data. Head Neck. 2011 Apr.33(4):525-528. Pubmedid: 20824808.
      • Gross JL, Masterson TA, Cheng L, Johnstone PA. pT0 prostate cancer after radical prostatectomy. J Surg Oncol. 2010 Sep.102(4):331-333. Pubmedid: 20589707.
      • Buchsbaum JC, Johnstone PA. Proton therapy for lung cancer: new data to consider. Oncology (Williston Park). 2010 Oct.24(11):1058-1059. Pubmedid: 21155460.
      • Gansler T, Ganz PA, Grant M, Greene FL, Johnstone P, Mahoney M, Newman LA, Oh WK, Thomas CR, Thun MJ, Vickers AJ, Wender RC, Brawley OW. Sixty years of CA: a cancer journal for clinicians. CA-Cancer J Clin. 2010 Nov.60(6):345-350. Pubmedid: 21075954.
      • Cárdenes HR, Price TR, Perkins SM, Maluccio M, Kwo P, Breen TE, Henderson MA, Schefter TE, Tudor K, Deluca J, Johnstone PA. Phase I feasibility trial of stereotactic body radiation therapy for primary hepatocellular carcinoma. Clin Transl Oncol. 2010 Mar.12(3):218-225. Pubmedid: 20231127.
      • McDonald MW, Godette KD, Whitaker DJ, Davis LW, Johnstone PA. Three-year outcomes of breast intensity-modulated radiation therapy with simultaneous integrated boost. Int J Radiat Oncol Biol Phys. 2010 Jun.77(2):523-530. Pubmedid: 19775834.
      • Korah MP, Nowlan AW, Johnstone PA, Crocker IR. Radiation therapy alone for imaging-defined meningiomas. Int J Radiat Oncol Biol Phys. 2010 Jan.76(1):181-186. Pubmedid: 19406587.
      • Beitler JJ, Chen AY, Jacobson K, Owens A, Edwards M, Johnstone PA. Health literacy and health care in an inner-city, total laryngectomy population. Am J Otolaryngol. 2010 Feb.31(1):29-31. Pubmedid: 19944896.
      • Forquer JA, Rong N, Fakiris AJ, Loehrer PJ, Johnstone PA. Postoperative radiotherapy after surgical resection of thymoma: differing roles in localized and regional disease. Int J Radiat Oncol Biol Phys. 2010 Feb.76(2):440-445. Pubmedid: 19427738.
      • Zhao Q, Wu H, Wolanski M, Pack D, Johnstone PA, Das IJ. A sector-integration method for dose/MU calculation in a uniform scanning proton beam. Phys Med Biol. 2010 Feb.55(3):N87-N95. Pubmedid: 20057011.
      • Terakedis BE, Rossi PJ, Liauw SL, Johnstone PA, Jani AB. A surveillance, epidemiology, and end results registry analysis of prostate cancer modality time trends by age. Am J Clin Oncol. 2010 Dec.33(6):619-623. Pubmedid: 20051808.
      • Stone JA, Johnstone PA. Mechanisms of action for acupuncture in the oncology setting. CURR TREAT OPTION ON. 2010 Dec.11(3-4):118-127. Pubmedid: 21108052.
      • Jani AB, Johnstone PA, Liauw SL, Master VA, Rossi PJ. Prostate cancer modality time trend analyses from 1973 to 2004: a Surveillance, Epidemiology, and End Results registry analysis. Am J Clin Oncol. 2010 Apr.33(2):168-172. Pubmedid: 19745696.
      • Lawson JD, Gaultney J, Saba N, Grist W, Davis L, Johnstone PA. Percutaneous feeding tubes in patients with head and neck cancer: rethinking prophylactic placement for patients undergoing chemoradiation. Am J Otolaryngol. 2009 Sep.30(4):244-249. Pubmedid: 19563935.
      • Johnstone PA, Durachta SL, Kerstiens J, Helsper R. Charitable care and scarce medical technology. J Am Coll Radiol. 2009 Sep.6(9):609-612. Pubmedid: 19720353.
      • Rossi PJ, Horowitz IR, Johnstone PA, Jani AB. Lymphadenectomy for patients with cervical cancer: is it of value?. J Surg Oncol. 2009 Oct.100(5):404-406. Pubmedid: 19760670.
      • Barriger RB, Johnstone PA. Advanced radiation technology in the treatment of anal cancer. Oncology (Williston Park). 2009 Nov.23(12):1096, 1098. Pubmedid: 20017293.
      • Gullett N, Rossi P, Kucuk O, Johnstone PA. Cancer-induced cachexia: a guide for the oncologist. J Soc Integr Oncol. 2009 Nov.7(4):155-169. Pubmedid: 19883531.
      • DesRosiers CM, Slessinger E, Schilder J, Stehman F, Das IJ, DesRosiers P, Cardenes H, Johnstone PA. Treatment delays using an automated afterloading low-dose-rate brachytherapy system. J Am Coll Radiol. 2009 Nov.6(11):800-803. Pubmedid: 19878888.
      • Rossi PJ, Schreibmann E, Jani AB, Master VA, Johnstone PA. Boost first, eliminate systematic error, and individualize CTV to PTV margin when treating lymph nodes in high-risk prostate cancer. Radiother Oncol. 2009 Mar.90(3):353-358. Pubmedid: 18952307.
      • Rossi PJ, Johnstone PA. Devices for protecting the rectum during radiation therapy of prostate cancer. J Urol. 2009 Mar.181(3):947-948. Pubmedid: 19150560.
      • Jani AB, Fox TH, Blaustein D, Rossi PJ, Johnstone PA, Master VA. Pelvic shape and prostate motion: implications for target volume design and analysis of acute toxicity. Am J Clin Oncol. 2009 Jun.32(3):291-295. Pubmedid: 19433967.
      • Das IJ, Moskvin V, Johnstone PA. Analysis of treatment planning time among systems and planners for intensity-modulated radiation therapy. J Am Coll Radiol. 2009 Jul.6(7):514-517. Pubmedid: 19560069.
      • Gullett NP, Rizzo M, Johnstone PA. National surgical patterns of care for primary surgery and axillary staging of phyllodes tumors. Breast J. 2009 Jan.15(1):41-44. Pubmedid: 19141133.
      • Lawenda BD, Mondry TE, Johnstone PA. Lymphedema: a primer on the identification and management of a chronic condition in oncologic treatment. CA-Cancer J Clin. 2009 Jan.59(1):8-24. Pubmedid: 19147865.
      • Scott AS, Parr LA, Johnstone PA. Risk of cerebrovascular events after neck and supraclavicular radiotherapy: a systematic review. Radiother Oncol. 2009 Feb.90(2):163-165. Pubmedid: 19171403.
      • Forquer JA, Fakiris AJ, Timmerman RD, Lo SS, Perkins SM, McGarry RC, Johnstone PA. Brachial plexopathy from stereotactic body radiotherapy in early-stage NSCLC: dose-limiting toxicity in apical tumor sites. Radiother Oncol. 2009 Dec.93(3):408-413. Pubmedid: 19454366.
      • Pepek JM, Johnstone PA, Jani AB. Influence of demographic factors on outcome of collecting duct carcinoma: a Surveillance, Epidemiology, and End Results (SEER) database analysis. Clin Genitourin Cancer. 2009 Aug.7(2):E24-E27. Pubmedid: 19692318.
      • Jani AB, Esiashvili N, Cassels D, Godette K, Johnstone PA. International collaborations in radiation oncology: a single-institution experience in academic outreach. J Am Coll Radiol. 2008 Sep.5(9):1001-1006. Pubmedid: 18755441.
      • Lutz S, Lupu D, Johnstone P, Howell DD, Janjan N. The influence of the newly formed hospice and palliative medicine subspecialty on radiation oncology and end-of-life care. J Am Coll Radiol. 2008 Nov.5(11):1102-1105. Pubmedid: 18954807.
      • McDonald MW, Godette KD, Butker EK, Davis LW, Johnstone PA. Long-term outcomes of IMRT for breast cancer: a single-institution cohort analysis. Int J Radiat Oncol Biol Phys. 2008 Nov.72(4):1031-1040. Pubmedid: 18440727.
      • Jani AB, Master VA, Rossi PJ, Liauw SL, Johnstone PA. Grade migration in prostate cancer: an analysis using the Surveillance, Epidemiology, and End Results registry. Prostate Cancer P D. 2008 May.10(4):347-351. Pubmedid: 17505529.
      • Lawson JD, Otto K, Grist W, Johnstone PA. Frequency of esophageal stenosis after simultaneous modulated accelerated radiation therapy and chemotherapy for head and neck cancer. Am J Otolaryngol. 2008 Jan.29(1):13-19. Pubmedid: 18061826.
      • Rossi PJ, Jani AB, Horowitz IR, Johnstone PA. Adjuvant brachytherapy removes survival disadvantage of local disease extension in stage IIIC endometrial cancer: a SEER registry analysis. Int J Radiat Oncol Biol Phys. 2008 Jan.70(1):134-138. Pubmedid: 17855014.
      • Pinell XA, Kirkpatrick SH, Hawkins K, Mondry TE, Johnstone PA. Manipulative therapy of secondary lymphedema in the presence of locoregional tumors. Cancer. 2008 Feb.112(4):950-954. Pubmedid: 18085587.
      • Jani AB, Johnstone PA, Liauw SL, Master VA, Brawley OW. Age and grade trends in prostate cancer (1974-2003): a Surveillance, Epidemiology, and End Results Registry analysis. Am J Clin Oncol. 2008 Aug.31(4):375-378. Pubmedid: 18845997.
      • Johnstone PA, Crenshaw T, Cassels DG, Fox TH. Automated data mining of a proprietary database system for physician quality improvement. Int J Radiat Oncol Biol Phys. 2008 Apr.70(5):1537-1541. Pubmedid: 18037576.
      • Johnstone PA. ACR appropriateness criteria. Int J Radiat Oncol Biol Phys. 2008 Apr.70(5):1303-1304. Pubmedid: 18374220.
      • Suh WW, Blackstock AW, Herman J, Konski AA, Mohiuddin M, Poggi MM, Regine WF, Cosman BC, Saltz L, Johnstone PA. ACR Appropriateness Criteria on resectable rectal cancer: expert panel on radiation oncology--rectal/anal cancer. Int J Radiat Oncol Biol Phys. 2008 Apr.70(5):1427-1430. Pubmedid: 18374227.
      • Gullett NP, Delman K, Folpe AL, Johnstone PA. National surgical patterns of care: regional lymphadenectomy of breast sarcomas. Am J Clin Oncol. 2007 Oct.30(5):461-465. Pubmedid: 17921704.
      • Johnstone PA, Riffenburgh RH, Rossi PJ, Assikis V, Master VA, Jani AB. Applying population dynamics modeling to patients with lymph node positive prostate cancer. J Urol. 2007 Nov.178(5):1952-1955. Pubmedid: 17868720.
      • Johnstone PA, Rossi PJ, Jani AB, Master V. 'Insignificant' prostate cancer on biopsy: pathologic results from subsequent radical prostatectomy. Prostate Cancer P D. 2007 Nov.10(3):237-241. Pubmedid: 17387320.
      • Deng GE, Cassileth BR, Cohen L, Gubili J, Johnstone PA, Kumar N, Vickers A, Abrams D, Rosenthal D, Sagar S, Tripathy D. Integrative Oncology Practice Guidelines. J Soc Integr Oncol. 2007 May.5(2):65-84. Pubmedid: 17511932.
      • Sung SY, Hsieh CL, Wu D, Chung LW, Johnstone PA. Tumor microenvironment promotes cancer progression, metastasis, and therapeutic resistance. Curr Prob Cancer. 2007 Mar.31(2):36-100. Pubmedid: 17362788.
      • McLean JN, Nunley SR, Klass C, Moore C, Müller S, Johnstone PA. Combined modality therapy of esthesioneuroblastoma. Otolaryngol Head Neck Surg. 2007 Jun.136(6):998-1002. Pubmedid: 17547995.
      • Johnstone PA, Assikis V, Goodman M, Ward KC, Riffenburgh RH, Master V. Lack of survival benefit of post-operative radiation therapy in prostate cancer patients with positive lymph nodes. Prostate Cancer P D. 2007 Jul.10(2):185-188. Pubmedid: 17211440.
      • Poggi MM, Suh WW, Saltz L, Konski AA, Mohiuddin M, Herman J, Johnstone PA. ACR Appropriateness Criteria on treatment of anal cancer. J Am Coll Radiol. 2007 Jul.4(7):448-456. Pubmedid: 17601586.
      • Esiashvili N, Goodman M, Ward K, Marcus RB, Johnstone PA. Neuroblastoma in adults: Incidence and survival analysis based on SEER data. Pediatr Blood Cancer. 2007 Jul.49(1):41-46. Pubmedid: 16628557.
      • Delman KA, Johnstone PA. Vacuum-assisted closure for surgical wounds in sarcoma. J Surg Oncol. 2007 Dec.96(7):545-546. Pubmedid: 17999391.
      • Shigemura K, Arbiser JL, Sun SY, Zayzafoon M, Johnstone PA, Fujisawa M, Gotoh A, Weksler B, Zhau HE, Chung LW. Honokiol, a natural plant product, inhibits the bone metastatic growth of human prostate cancer cells. Cancer. 2007 Apr.109(7):1279-1289. Pubmedid: 17326044.
      • Fox T, Simon EL, Elder E, Riffenburgh RH, Johnstone PA. Free breathing gated delivery (FBGD) of lung radiation therapy: analysis of factors affecting clinical patient throughput. Lung Cancer. 2007 Apr.56(1):69-75. Pubmedid: 17196299.
      • Thomas RC, Hawkins K, Kirkpatrick SH, Mondry TE, Gabram-Mendola S, Johnstone PA. Reduction of lymphedema using complete decongestive therapy: roles of prior radiation therapy and extent of axillary dissection. J Soc Integr Oncol. 2007.5(3):87-91. Pubmedid: 17761127.
      • Smith EP, Hardaway CA, Graham BS, Johnstone PA. Folliculitis decalvans treated with radiation therapy. Cutis. 2006 Sep.78(3):162-164. Pubmedid: 17036658.
      • Edelman S, Johnstone PA. Combined modality therapy for HIV-infected patients with squamous cell carcinoma of the anus: outcomes and toxicities. Int J Radiat Oncol Biol Phys. 2006 Sep.66(1):206-211. Pubmedid: 16904522.
      • Takesuye R, Brethauer S, Thiringer JK, Riffenburgh RH, Johnstone PA. Practice analysis: techniques of head and neck surgeons and general surgeons performing thyroidectomy for cancer. Qual Manag Health Care. 2006 Oct.15(4):257-262. Pubmedid: 17047499.
      • Sung SY, Kubo H, Shigemura K, Arnold RS, Logani S, Wang R, Konaka H, Nakagawa M, Mousses S, Amin M, Anderson C, Johnstone P, Petros JA, Marshall FF, Zhau HE, Chung LW. Oxidative stress induces ADAM9 protein expression in human prostate cancer cells. Cancer Res. 2006 Oct.66(19):9519-9526. Pubmedid: 17018608.
      • Kahn ST, Flowers C, Lechowicz MJ, Hollenbach K, Johnstone PA. Value of PET restaging after chemotherapy for non-Hodgkin's lymphoma: implications for consolidation radiotherapy. Int J Radiat Oncol Biol Phys. 2006 Nov.66(4):961-965. Pubmedid: 17145526.
      • Johnstone PA, Ward KC, Goodman M, Assikis V, Petros JA. Radical prostatectomy for clinical T4 prostate cancer. Cancer. 2006 Jun.106(12):2603-2609. Pubmedid: 16700037.
      • Godette K, Mondry TE, Johnstone PA. Can manual treatment of lymphedema promote metastasis?. J Soc Integr Oncol. 2006 Jun.4(1):8-12. Pubmedid: 16737666.
      • Fox TH, Elder ES, Crocker IR, Davis LW, Landry JC, Johnstone PA. Clinical implementation and efficiency of kilovoltage image-guided radiation therapy. J Am Coll Radiol. 2006 Jan.3(1):38-44. Pubmedid: 17412005.
      • Johnstone PA, Hawkins K, Hood S. Role of patient adherence in maintenance of results after manipulative therapy for lymphedema. J Soc Integr Oncol. 2006 Feb.4(3):125-129. Pubmedid: 19442347.
      • Fowler BZ, Muller S, Chen AY, Johnstone PA. Factors influencing long-term survival following salvage total laryngectomy after initial radiotherapy or conservative surgery. Head Neck. 2006 Feb.28(2):99-106. Pubmedid: 16355384.
      • Fox T, Huntzinger C, Johnstone P, Ogunleye T, Elder E. Performance evaluation of an automated image registration algorithm using an integrated kilovoltage imaging and guidance system. J Appl Clin Med Phys. 2006 Apr.7(1):97-104. Pubmedid: 16518321. Pmcid: PMC5722475.
      • Ludwig MS, Goodman M, Miller DL, Johnstone PA. Postoperative survival and the number of lymph nodes sampled during resection of node-negative non-small cell lung cancer. Chest. 2005 Sep.128(3):1545-1550. Pubmedid: 16162756.
      • Kahn ST, Flowers CR, Lechowicz MJ, Hollenbach K, Johnstone PA. Refractory or relapsed Hodgkin's disease and non-Hodgkin's lymphoma: optimizing involved-field radiotherapy in transplant patients. Cancer J. 2005 Sep.11(5):425-431. Pubmedid: 16259874.
      • Kauh J, Johnstone P. Commentary on Wang et al., "Pre-operative chemotherapy with oral tegafur-uracil and leucovorin for rectal cancer" (J Surg Oncol 89: 256-263). J Surg Oncol. 2005 May.90(2):106-107. Pubmedid: 15844186.
      • Fowler BZ, Crocker IR, Johnstone PA. Perineural spread of cutaneous malignancy to the brain: a review of the literature and five patients treated with stereotactic radiotherapy. Cancer. 2005 May.103(10):2143-2153. Pubmedid: 15816051.
      • Kahn ST, Johnstone PA. Management of xerostomia related to radiotherapy for head and neck cancer. Oncology (Williston Park). 2005 Dec.19(14):1827-1832. Pubmedid: 16506635.
      • Solum AM, Riffenburgh RH, Johnstone PA. Survival of patients with untreated rectal cancer. J Surg Oncol. 2004 Sep.87(4):157-161. Pubmedid: 15334629.
      • Johnstone PA, Williams SR, Riffenburgh RH. The 100-day PSA: usefulness as surrogate end point for biochemical disease-free survival after definitive radiotherapy of prostate cancer. Prostate Cancer P D. 2004 Sep.7(3):263-267. Pubmedid: 15289811.
      • Paulino AC, Johnstone PA. FDG-PET in radiotherapy treatment planning: Pandora's box?. Int J Radiat Oncol Biol Phys. 2004 May.59(1):4-5. Pubmedid: 15093892.
      • Gatcombe HG, Assikis V, Kooby D, Johnstone PA. Primary retroperitoneal teratomas: a review of the literature. J Surg Oncol. 2004 May.86(2):107-113. Pubmedid: 15112254.
      • Mondry TE, Riffenburgh RH, Johnstone PA. Prospective trial of complete decongestive therapy for upper extremity lymphedema after breast cancer therapy. Cancer J. 2004 Jan.10(1):42-48. Pubmedid: 15000494.
      • Johnstone PA, Issa MM. Acupuncture in conventional practice. J Endourol. 2004 Feb.18(1):127. Pubmedid: 15006067.
      • Nowlan AW, Sutter AI, Fox TH, Johnstone PA. The electronification of the radiation oncology treatment cycle: the promises and pitfalls of a digital department. J Am Coll Radiol. 2004 Apr.1(4):270-276. Pubmedid: 17411579.
      • Linskey ME, Johnstone PA. Radiation tolerance of normal temporal bone structures: implications for gamma knife stereotactic radiosurgery. Int J Radiat Oncol Biol Phys. 2003 Sep.57(1):196-200. Pubmedid: 12909233.
      • Johnstone PA, Riffenburgh RH, Moul JW, Sun L, Wu H, McLeod DG, Kane CJ, Martin DD, Kusuda L, Lance R, Douglas R, Donahue T, Beat MG, Foley J, Chung A, Soderdahl D, Do J, Amling CL. Effect of age on biochemical disease-free outcome in patients with T1-T3 prostate cancer treated with definitive radiotherapy in an equal-access health care system: a radiation oncology report of the Department of Defense Center for Prostate Disease Resea. Int J Radiat Oncol Biol Phys. 2003 Mar.55(4):964-969. Pubmedid: 12605974.
      • O'Meara WP, Thiringer JK, Johnstone PA. Follow-up of head and neck cancer patients post-radiotherapy. Radiother Oncol. 2003 Mar.66(3):323-326. Pubmedid: 12742272.
      • Johnstone PA, Bloom TL, Niemtzow RC, Crain D, Riffenburgh RH, Amling CL. A prospective, randomized pilot trial of acupuncture of the kidney-bladder distinct meridian for lower urinary tract symptoms. J Urol. 2003 Mar.169(3):1037-1039. Pubmedid: 12576840.
      • Johnstone PA. Biochemical failure after definitive therapy of prostate cancer: defining the chicken switch. Int J Radiat Oncol Biol Phys. 2003 Mar.55(4):859-860. Pubmedid: 12605962.
      • Kane CJ, Amling CL, Johnstone PA, Pak N, Lance RS, Thrasher JB, Foley JP, Riffenburgh RH, Moul JW. Limited value of bone scintigraphy and computed tomography in assessing biochemical failure after radical prostatectomy. Urology. 2003 Mar.61(3):607-611. Pubmedid: 12639656.
      • Ashlock R, Johnstone PA. Treatment modalities of bladder/prostate rhabdomyosarcoma: a review. Prostate Cancer P D. 2003 Jun.6(2):112-120. Pubmedid: 12806368.
      • Johnstone PA, Hendrickson JA, Dernbach AJ, Secord AR, Parker JC, Favata MA, Puckett ML. Ancillary services in the health care industry: is Six Sigma reasonable?. Qual Manag Health Care. 2003 Jan.12(1):53-63. Pubmedid: 12593375.
      • Adriano E, Jagoe JM, Harrison T, Riffenburgh RH, Johnstone PA. Survival of patients with untreated cervical carcinoma. Am J Clin Oncol. 2003 Aug.26(4):369-373. Pubmedid: 12902888.
      • Linskey ME, Johnstone PA, O'Leary M, Goetsch S. Radiation exposure of normal temporal bone structures during stereotactically guided gamma knife surgery for vestibular schwannomas. J Neurosurg. 2003 Apr.98(4):800-806. Pubmedid: 12691405.
      • McFarland JT, Kuzma C, Millard FE, Johnstone PA. Palliative irradiation of the spleen. Am J Clin Oncol. 2003 Apr.26(2):178-183. Pubmedid: 12714892.
      • Mondry TE, Johnstone PA. Manual lymphatic drainage for lymphedema limited to the breast. J Surg Oncol. 2002 Oct.81(2):101-104. Pubmedid: 12355412.
      • Johnstone PA, Kane CJ, Sun L, Wu H, Moul JW, McLeod DG, Martin DD, Kusuda L, Lance R, Douglas R, Donahue T, Beat MG, Foley J, Baldwin D, Soderdahl D, Do J, Amling CL. Effect of race on biochemical disease-free outcome in patients with prostate cancer treated with definitive radiation therapy in an equal-access health care system: radiation oncology report of the Department of Defense Center for Prostate Disease Researc. Radiology. 2002 Nov.225(2):420-426. Pubmedid: 12409575.
      • Johnstone PA, Polston GR, Niemtzow RC, Martin PJ. Integration of acupuncture into the oncology clinic. Palliat Med. 2002 May.16(3):235-239. Pubmedid: 12047000.
      • Jacobs JR, Banthia R, Sadler GR, Varni JW, Malcarne VL, Greenbergs HL, Schmidt J, Johnstone PA. Problems associated with prostate cancer: differences of opinion among health care providers, patients, and spouses. J Cancer Educ. 2002 May.17(1):33-36. Pubmedid: 12000104.
      • Brethauer SA, Magrino TJ, Riffenburgh RH, Johnstone PA. Management of recurrent colorectal carcinoma. Colorectal Dis. 2002 Jul.4(4):246-253. Pubmedid: 12780594.
      • Jones TR, Norton MS, Johnstone PA, Kane E, Shin AY. Pleomorphic rhabdomyosarcoma in an adult forearm: a case report. J Hand Surg Am. 2002 Jan.27(1):154-159. Pubmedid: 11810631.
      • Johnstone PA, Niemtzow RC, Riffenburgh RH. Acupuncture for xerostomia: clinical update. Cancer. 2002 Feb.94(4):1151-1156. Pubmedid: 11920486.
      • Johnstone PA, Booth R, Riffenburgh RH, Amling CL, Kane CJ, Moul JW. Initiation of salvage therapy for prostate cancer. Prostate Cancer P D. 2002 Dec.5(2):136-143. Pubmedid: 12497004.
      • Dupree MT, Kiteley RA, Weismantle K, Panos R, Johnstone PA. Radiation therapy for Bowen's disease: lessons for lesions of the lower extremity. J Am Acad Dermatol. 2001 Sep.45(3):401-404. Pubmedid: 11511838.
      • Johnstone PA, McFarland JT, Riffenburgh RH, Amling CL. Efficacy of digital rectal examination after radiotherapy for prostate cancer. J Urol. 2001 Nov.166(5):1684-1687. Pubmedid: 11586202.
      • Johnstone PA, Moore EM, Carrillo R, Goepfert CJ. Yield of mammography in selected patients age < or = 30 years. Cancer. 2001 Mar.91(6):1075-1078. Pubmedid: 11267951.
      • Johnstone PA, Peng YP, May BC, Inouye WS, Niemtzow RC. Acupuncture for pilocarpine-resistant xerostomia following radiotherapy for head and neck malignancies. Int J Radiat Oncol Biol Phys. 2001 Jun.50(2):353-357. Pubmedid: 11380221.
      • Riffenburgh RH, Johnstone PA. Survival patterns of cancer patients. Cancer. 2001 Jun.91(12):2469-2475. Pubmedid: 11413539.
      • Gray CL, Powell CR, Riffenburgh RH, Johnstone PA. 20-year outcome of patients with T1-3N0 surgically staged prostate cancer treated with external beam radiation therapy. J Urol. 2001 Jul.166(1):116-118. Pubmedid: 11435835.
      • Lawenda BD, Thiringer JK, Foss RD, Johnstone PA. Merkel cell carcinoma arising in the head and neck: optimizing therapy. Am J Clin Oncol. 2001 Feb.24(1):35-42. Pubmedid: 11232947.
      • Johnstone PA, Hodgens DW, Ott K, Goetsch SJ. Risk management in a community Gamma Knife unit. Stereot Funct Neuros. 2001.76(2):106-114. Pubmedid: 12007272.
      • Poggi MM, Johnstone PA, Conner RJ. Glycosaminoglycan content of human bladders. a method of analysis using cold-cup biopsies. Urol Oncol. 2000 Sep.5(5):234-237. Pubmedid: 10973714.
      • Garner PD, Hall LD, Johnstone PA. Palliation of unresectable hilar cholangiocarcinoma. J Surg Oncol. 2000 Oct.75(2):95-97. Pubmedid: 11064387.
      • Moore EM, Magrino TJ, Johnstone PA. Rectal bleeding after radiation therapy for prostate cancer: endoscopic evaluation. Radiology. 2000 Oct.217(1):215-218. Pubmedid: 11012447.
      • Johnstone PA, Gray C, Powell CR. Quality of life in T1-3N0 prostate cancer patients treated with radiation therapy with minimum 10-year follow-up. Int J Radiat Oncol Biol Phys. 2000 Mar.46(4):833-838. Pubmedid: 10705003.
      • Mondry TE, Johnstone PA. Commentary. J Surg Oncol. 2000 Jul.74(3):212-213. Pubmedid: 10951420.
      • Randall DA, Johnstone PA, Foss RD, Martin PJ. Tonsillectomy in diagnosis of the unknown primary tumor of the head and neck. Otolaryngol Head Neck Surg. 2000 Jan.122(1):52-55. Pubmedid: 10629482.
      • Miller JS, Puckett ML, Johnstone PA. Frequency of coexistent disease at CT in patients with prostate carcinoma selected for definitive radiation therapy: is limited treatment-planning CT adequate?. Radiology. 2000 Apr.215(1):41-44. Pubmedid: 10751465.
      • Johnstone PA, Norton MS, Riffenburgh RH. Survival of patients with untreated breast cancer. J Surg Oncol. 2000 Apr.73(4):273-277. Pubmedid: 10797344.
      • Poggi MM, Thomas BE, Johnstone PA. Excision and radiotherapy for heterotopic ossification of the elbow. Orthopedics. 1999 Nov.22(11):1059-1061. Pubmedid: 10580824.
      • Johnstone PA, Rohde DC, May BC, Peng YP, Hulick PR. Peer review and performance improvement in a radiation oncology clinic. Qual Manag Health Care. 1999 Feb.8(1):22-28. Pubmedid: 10662101.
      • Ward JF, Johnstone PA, Kane CJ. Free-to-total prostate-specific antigen ratios 18-24 months following external beam radiation for adenocarcinoma of the prostate. J Surg Oncol. 1999 Feb.70(2):91-94. Pubmedid: 10084650.
      • Johnstone PA, Powell CR, Riffenburgh R, Rohde DC, Kane CJ. Second primary malignancies in T1-3N0 prostate cancer patients treated with radiation therapy with 10-year followup. J Urol. 1998 Mar.159(3):946-949. Pubmedid: 9474189.
      • Johnstone PA, Powell CR, Riffenburgh R, Bethel KJ, Kane CJ. The fate of 10-year clinically recurrence-free survivors after definitive radiotherapy for T1-3N0M0 prostate cancer. Radiat Oncol Investig. 1998 Dec.6(2):103-108. Pubmedid: 9572687.
      • Miller SR, Mondry T, Reed JS, Findley A, Johnstone PA. Delayed cellulitis associated with conservative therapy for breast cancer. J Surg Oncol. 1998 Apr.67(4):242-245. Pubmedid: 9579371.
      • Johnstone PA, Rohde DC, Saunders EL, Mitchell JB. Combining intraoperative and conventional external radiotherapy doses: a biology-based approach. Front Radiat Ther Oncol. 1997 Oct.31:18-21. Pubmedid: 9263780.
      • Powell CR, Huisman TK, Riffenburgh RH, Saunders EL, Bethel KJ, Johnstone PA. Outcome for surgically staged localized prostate cancer treated with external beam radiation therapy. J Urol. 1997 May.157(5):1754-1759. Pubmedid: 9112521.
      • Johnstone PA, Tarman GJ, Riffenburgh R, Rohde DC, Puckett ML, Kane CJ. Yield of imaging and scintigraphy assessing biochemical failure in prostate cancer patients. Urol Oncol. 1997 Jul.3(4):108-112. Pubmedid: 21227114.
      • Riffenburgh RH, Olson PE, Johnstone PA. Association of schistosomiasis with cervical cancer: detecting bias in clinical studies. East Afr Med J. 1997 Jan.74(1):14-16. Pubmedid: 9145570.
      • Johnstone PA. Skin cancer and intraoperative radiation therapy: strange bedfellows. Dermatol Surg. 1996 Oct.22(10):891-892. Pubmedid: 9246173.
      • Johnstone PA, Laskin WB, DeLuca AM, Barnes M, Kinsella TJ, Sindelar WF. Tumors in dogs exposed to experimental intraoperative radiotherapy. Int J Radiat Oncol Biol Phys. 1996 Mar.34(4):853-857. Pubmedid: 8598362.
      • Johnstone PA, Rohde DC, Swartz SE, Fetter JE, Wexner SD. Port site recurrences after laparoscopic and thoracoscopic procedures in malignancy. J Clin Oncol. 1996 Jun.14(6):1950-1956. Pubmedid: 8656265.
      • Johnstone PA, Sindelar WF. Radical reoperation for advanced pancreatic carcinoma. J Surg Oncol. 1996 Jan.61(1):7-11. Pubmedid: 8544466.
      • Van Way RL, Williams RO, Johnstone PA, Papin PJ. Beam flatness perturbation effects of a perforated thermoplastic immobilization device on 6 and 12 MeV electron beams. Radiother Oncol. 1996 Dec.41(3):277-280. Pubmedid: 9027945.
      • Johnstone PA, DeGraff WG, Mitchell JB. Protection from radiation-induced chromosomal aberrations by the nitroxide Tempol. Cancer. 1995 May.75(9):2323-2327. Pubmedid: 7712443.
      • Johnstone PA, Riffenburgh R, Saunders EL, Willison FW. Grading inaccuracies in diagnostic biopsies revealing prostatic adenocarcinoma: implications for definitive radiation therapy. Int J Radiat Oncol Biol Phys. 1995 May.32(2):479-482. Pubmedid: 7751188.
      • Johnstone PA, DeLuca AM, Bacher JD, Hampshire VA, Terrill RE, Anderson WJ, Kinsella TJ, Sindelar WF. Clinical toxicity of peripheral nerve to intraoperative radiotherapy in a canine model. Int J Radiat Oncol Biol Phys. 1995 Jul.32(4):1031-1034. Pubmedid: 7607923.
      • Johnstone PA, Sindelar WF, Kinsella TJ. Experimental and clinical studies of intraoperative radiation therapy. Curr Prob Cancer. 1994 Sep.18(5):249-290. Pubmedid: 7895481.
      • DeLuca AM, Johnstone PA, Ollayos CW, Bacher JD, Terrill RE, Kinsella TJ, Sindelar WF. Tolerance of the bladder to intraoperative radiation in a canine model: a five-year follow-up. Int J Radiat Oncol Biol Phys. 1994 Sep.30(2):339-345. Pubmedid: 7928460.
      • Johnstone PA, Sprague M, DeLuca AM, Bacher JD, Hampshire VA, Terrill RE, Kinsella TJ, Sindelar WF. Effects of intraoperative radiotherapy on vascular grafts in a canine model. Int J Radiat Oncol Biol Phys. 1994 Jul.29(5):1015-1025. Pubmedid: 8083070.
      • Sindelar WF, Tepper JE, Kinsella TJ, Barnes M, DeLuca AM, Terrill R, Matthews D, Anderson WJ, Bollinger BK, Johnstone PA. Late effects of intraoperative radiation therapy on retroperitoneal tissues, intestine, and bile duct in a large animal model. Int J Radiat Oncol Biol Phys. 1994 Jul.29(4):781-788. Pubmedid: 8040025.
      • Johnstone PA, Wexler LH, Venzon DJ, Jacobson J, Yang JC, Horowitz ME, DeLaney TF. Sarcomas of the hand and foot: analysis of local control and functional result with combined modality therapy in extremity preservation. Int J Radiat Oncol Biol Phys. 1994 Jul.29(4):735-745. Pubmedid: 8040019.
      • Johnstone PA, Mican JM, Metcalfe DD, DeLaney TF. Radiotherapy of refractory bone pain due to systemic mast cell disease. Am J Clin Oncol. 1994 Aug.17(4):328-330. Pubmedid: 7519391.
      • Johnstone PA, Sindelar WF. Lymph node involvement and pancreatic resection: correlation with prognosis and local disease control in a clinical trial. Pancreas. 1993 Sep.8(5):535-539. Pubmedid: 8302788.
      • Johnstone PA, Pierce LJ, Merino MJ, Yang JC, Epstein AH, DeLaney TF. Primary soft tissue sarcomas of the breast: local-regional control with post-operative radiotherapy. Int J Radiat Oncol Biol Phys. 1993 Oct.27(3):671-675. Pubmedid: 8226163.
      • Johnstone PA, Sindelar WF. Patterns of disease recurrence following definitive therapy of adenocarcinoma of the pancreas using surgery and adjuvant radiotherapy:correlations of a clinical trial. Int J Radiat Oncol Biol Phys. 1993 Nov.27(4):831-834. Pubmedid: 8244812.
      • Doyle M, Johnstone PA, Watkins EB. Role of radiation therapy in management of pulmonary Kaposi's sarcoma. South Med J. 1993 Mar.86(3):285-288. Pubmedid: 7680826.
      • Johnstone PA, George AD, Meyers WM. Ocular lesions in leprosy. Ann Ophthalmol. 1991 Aug.23(8):297-303. Pubmedid: 1952639.
      • Johnstone PA, Foss RD, Desilets DJ. Malignant jugulotympanic paraganglioma. Arch Pathol Lab Med. 1990 Sep.114(9):976-979. Pubmedid: 2167653.
      • Johnstone PA. Parasitic associations with malignant neoplasms. Trop Geogr Med. 1990 Oct.42(4):301-311. Pubmedid: 2100071.
      • Das IJ, Cheng CW, Cao M, Johnstone PA. Computed tomography imaging parameters for inhomogeneity correction in radiation treatment planning. J Med Phys. 41(1):3-11. Pubmedid: 27051164. Pmcid: PMC4795414.
      • Johnstone PA. Proton therapy. Foreword. Curr Prob Cancer. 34(4):256. Pubmedid: 20647111.
      • Johnstone PA. Sailorproofing quality. Qual Manag Health Care. 13(2):96-98. Pubmedid: 15127689.

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