Imaging in Oncology

GALLIUM SCANNING AS A PROGNOSTIC INDICATOR IN LYMPHOMA

Claudia G. Berman, MD, Associate Professor of Radiology
H. Lee Moffitt Cancer Center & Research Institute

This regular feature will enhance your knowledge of imaging technology
in oncologic diagnosis, treatment, and evaluation.

Case Description:

A 35-year-old man underwent combined modality therapy for nodular sclerosing Hodgkin’s disease, stage IIB, presenting as a large mediastinal mass. After four courses of chemotherapy, computed tomography (CT) of the chest showed a small residual mediastinal mass. Gallium scan was performed (Figs 1A-B).

The most likely diagnosis is:

1. residual mediastinal tumor

2. no active disease

3. changes related to therapy

4. opportunistic infection

5. normal thymic uptake

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