Nasopharyngeal Cancer Overview

Nasopharyngeal cancer is a rare type of head and neck cancer that develops in the nasopharynx, the upper part of the throat located behind the nose at the back of the mouth. This area of the body plays an important role in breathing and speaking, so even small changes within it can affect everyday functions. Additionally, the nasopharynx is not easily visible during a routine physical examination, which means nasopharyngeal cancer can sometimes go undetected in its early stages.

How does nasopharyngeal cancer start?

In most cases, nasopharyngeal cancer begins in the squamous cells that line the moist surfaces of the throat. For reasons not fully understood, healthy cells in the nasopharynx can sometimes undergo harmful DNA changes that disrupt their natural growth cycle. Instead of growing and dividing in an orderly way, the abnormal cells multiply rapidly and form a mass. If left untreated, the tumor can invade surrounding structures or spread to other parts of the body through the lymphatic system or bloodstream.

What are the types of nasopharyngeal cancer?

The vast majority of nasopharyngeal cancers are carcinomas, which develop in the epithelial cells that line the nasopharynx. Subtypes include:

• Nonkeratinizing undifferentiated carcinoma – The most common form of nasopharyngeal cancer, nonkeratinizing undifferentiated carcinoma is strongly associated with Epstein-Barr virus (EBV) infection and often responds well to radiation therapy and chemotherapy.
• Nonkeratinizing differentiated carcinoma – When viewed under a microscope, the cancer cells appear somewhat more organized than those of undifferentiated tumors.
• Keratinizing squamous cell carcinoma – A less common form of nasopharyngeal cancer in the United States, this subtype is closely linked to tobacco and alcohol use and may be somewhat less responsive to radiation therapy than nonkeratinizing tumors.

Though relatively rare compared with carcinomas, other cancers can develop in the nasopharynx, including:

• Lymphomas – Begin in immune system cells
• Adenocarcinomas – Form in glandular cells
• Sarcomas – Develop in connective tissues, such as muscle and bone

Identifying the specific type of nasopharyngeal cancer is an important part of the diagnostic process because it can help guide treatment decisions.

How common is nasopharyngeal cancer?

In the United States, nasopharyngeal cancer accounts for only a small percentage of all head and neck cancers, but the condition is more prevalent in other parts of the world, including Southeast Asia, North Africa and the Arctic region. Scientists believe certain populations may have a higher risk due to a combination of genetic predisposition, Epstein-Barr virus (EBV) infection and environmental influences, such as a diet high in salt-cured foods.

Although nasopharyngeal cancer is most frequently seen in adults, it can affect people of all ages. For unknown reasons, men are diagnosed more often than women.

How does nasopharyngeal cancer impact the body?

Because the nasopharynx is located near several critical structures, including the ears, sinuses and cranial nerves, cancer in this region can affect a range of important functions, potentially interfering with hearing, breathing and swallowing. As the tumor progresses, it can also spread to nearby lymph nodes in the neck and, in advanced cases, metastasize to distant organs such as the lungs, liver or bones.

What is the prognosis for nasopharyngeal cancer?

When detected early, nasopharyngeal cancer is often highly treatable. Advances in radiation therapy, chemotherapy and targeted treatments have significantly improved patient outcomes, and ongoing research continues to expand treatment possibilities.

That said, the prognosis for nasopharyngeal cancer can vary depending on several factors, including the size, location and stage of the tumor and whether the cancer has spread. An individualized treatment plan developed by a multispecialty team can help maximize treatment effectiveness while supporting long-term health and quality of life.

One of the World's Best Cancer Hospitals

Moffitt is recognized as a top cancer hospital, ranking high on Newsweek's list of World's Best Specialized Hospitals – Oncology 2026.

Schedule an Appointment

What are the causes and risk factors for nasopharyngeal cancer?

While the exact cause of nasopharyngeal cancer is not always clear, several factors are known to increase risk. These include:

• Certain dietary habits, such as frequent consumption of salt-cured foods
• Epstein-Barr virus (EBV) infection
• Exposure to chemical fumes or dust
• Family history of nasopharyngeal cancer
• Heavy alcohol consumption
• Tobacco use

It is important to note that not everyone with one or more risk factors will develop nasopharyngeal cancer, and some people who are diagnosed with this condition have no known risk factors.

Is nasopharyngeal cancer preventable?

Currently, there is no known way to completely prevent nasopharyngeal cancer. However, taking proactive steps to reduce exposure to known risk factors may help lower the likelihood of developing the condition while supporting overall health and wellness. Helpful strategies include avoiding tobacco products, limiting alcohol consumption and maintaining a balanced, nutritious diet. Routine medical care and prompt evaluation of any unusual or persistent symptoms may also support earlier detection and treatment.

What are the signs and symptoms of nasopharyngeal cancer?

Symptoms of nasopharyngeal cancer can vary based on the stage of the tumor. Because the early signs are often subtle and may resemble those of a sinus infection, they can be easily overlooked.

What are the early warning signs of nasopharyngeal cancer?

Early symptoms of nasopharyngeal cancer may include:

• Persistent nasal congestion
• A feeling of fullness in the ear
• Frequent nosebleeds
• Muffled hearing, often in one ear

What are the most common symptoms of nasopharyngeal cancer?

As nasopharyngeal cancer progresses, symptoms may become more noticeable, such as:

• Difficulty breathing through the nose
• Facial numbness or tingling
• Hearing loss or ringing in the ears
• Headaches
• Swollen lymph nodes in the neck

What are the signs of advanced nasopharyngeal cancer?

Advanced nasopharyngeal cancer can lead to more severe symptoms, such as:

• Difficulty swallowing
• Double vision or other visual disturbances
• Persistent pain in the face or neck
• Speech changes

What are the signs that nasopharyngeal cancer has spread?

If nasopharyngeal cancer spreads beyond the nasopharynx, it may cause:

• Bone pain
• Fatigue
• Shortness of breath
• Unexplained weight loss

How is nasopharyngeal cancer diagnosed?

The diagnostic process for nasopharyngeal cancer typically involves a medical history review, physical examination and specialized testing. Due to the critical location of the tumor, imaging scans and an endoscopic evaluation can be especially important.

What laboratory tests can help detect nasopharyngeal cancer?

Lab testing for nasopharyngeal cancer typically includes blood work to evaluate the patient’s overall health and check for certain markers associated with the Epstein-Barr virus. In some cases, EBV DNA levels in the bloodstream may support the diagnosis.

What imaging tests are used to evaluate nasopharyngeal cancer?

Imaging studies can provide detailed views of the tumor and surrounding structures. Commonly used tests include:

• Computed tomography (CT) scans to check for bone involvement
• Magnetic resonance imaging (MRI) scans to assess soft tissues
• Positron emission tomography (PET) scans to look for evidence of cancer spread throughout the body

What procedures are used to diagnose nasopharyngeal cancer?

A definitive diagnosis of nasopharyngeal cancer requires a biopsy. During this procedure, the physician will use an endoscope to examine the nasopharynx and collect a small sample of suspicious tissue. The specimen will then be sent to a lab for microscopic examination by a pathologist, who can confirm the presence of cancer cells.

How is nasopharyngeal cancer treated?

Treatment for nasopharyngeal cancer is highly individualized based on several factors, including the stage and location of the tumor, whether the cancer has spread and the patient’s overall health, needs and treatment goals. In most cases, a multispecialty team develops a comprehensive plan designed not only to treat the cancer effectively but also to preserve function and support long-term quality of life.

Common treatment options for nasopharyngeal cancer include:

Radiation therapy for nasopharyngeal cancer

Radiation therapy is often the primary treatment for nasopharyngeal cancer, mainly because these tumors are typically highly responsive to radiation. This approach uses carefully targeted, high-energy beams to destroy cancer cells and prevent them from continuing to grow and divide.

Because the nasopharynx is located deep within the head and surrounded by vital structures—including cranial nerves, blood vessels, the spinal cord and organs involved in hearing and swallowing—precision is especially critical during treatment planning and delivery. Advanced radiation delivery techniques can allow the clinician to accurately target the tumor while minimizing exposure to nearby healthy tissues, helping to preserve important functions and reduce the risk of side effects. Options may include:

• Image-guided radiation therapy (IGRT) – IGRT uses detailed imaging throughout the treatment process to confirm the positioning of the tumor and ensure precision during each radiation session.
• Intensity-modulated radiation therapy (IMRT) – IMRT uses computer-guided technology to deliver radiation beams from multiple angles, allowing the treatment to closely conform to the shape and depth of the tumor.
• Proton therapy – A highly advanced form of radiation treatment, proton therapy uses proton particles instead of conventional X-rays to target cancer cells with exceptional accuracy.

Proton therapy can be especially beneficial for nasopharyngeal cancer because these tumors often develop close to highly sensitive structures, including the brainstem, optic nerves, spinal cord and salivary glands. Unlike traditional X-ray beams, proton beams can stop at the tumor site, helping to minimize exposure to surrounding healthy tissues. This heightened level of precision may reduce side effects both during and after treatment while better preserving important functions, such as hearing, swallowing, saliva production and vision. By protecting nearby critical structures whenever possible, proton therapy can support both effective cancer treatment and long-term quality of life.

Chemotherapy for nasopharyngeal cancer

Chemotherapy uses systemic medications to destroy cancer cells or stop their growth. These powerful drugs enter the bloodstream and circulate throughout the body, making them effective at targeting cancer cells that may have spread beyond the primary tumor site. Often, chemotherapy is combined with radiation therapy (chemoradiation) for enhanced effectiveness, particularly in more advanced cases. This combined approach can help make the cancer cells more sensitive to the radiation and improve the overall treatment outcome.

In certain clinical scenarios, chemotherapy may also be given before radiation therapy to shrink the tumor and make it easier to treat, or after radiation therapy to help reduce the risk of cancer recurrence. The specific timing and combination of treatments will be carefully determined by a multispecialty team based on the patient’s unique diagnosis and overall health.

Targeted therapy and immunotherapy for nasopharyngeal cancer

Targeted therapy is an innovative treatment approach that focuses on the specific molecules and pathways cancer cells rely on to grow and survive. By interfering with these complex processes, targeted drugs can help slow or stop tumor progression while limiting damage to healthy cells. Another advanced treatment approach, immunotherapy works by strengthening the body’s own immune system so it can better recognize and attack cancer cells that might otherwise evade detection.

Targeted therapy or immunotherapy may be recommended for recurrent or advanced nasopharyngeal cancer, particularly if standard treatments are not appropriate or are no longer effective. In some cases, these therapies may be used on their own or combined with other treatments as part of a comprehensive care plan. Through ongoing research and clinical trials, scientists continue to expand the role of targeted therapy and immunotherapy in nasopharyngeal cancer care, creating new possibilities and additional treatment options for many patients.

Surgery for nasopharyngeal cancer

Because the nasopharynx is located deep within the head and in close proximity to critical nerves, blood vessels and other sensitive structures, surgery is used less often for nasopharyngeal cancer than treatments, such as radiation therapy and chemotherapy. Accessing this area surgically can be technically complex, and preserving nearby healthy tissues and important functions is a major consideration during treatment planning.

That said, surgery may still play an important role in select situations, particularly when cancer remains after initial treatment or returns in a localized area. In these cases, highly specialized surgical techniques may be used to remove residual or recurrent tumors while preserving as much normal function as possible. Depending on the location and extent of the cancer, minimally invasive or image-guided approaches may also be considered to improve precision and reduce disruption to surrounding tissues. These procedures are typically performed by experienced head and neck surgeons working within a multispecialty team that carefully coordinates every aspect of care, from diagnosis and treatment planning to rehabilitation and long-term follow-up.

Frequently asked questions (FAQs) about nasopharyngeal cancer

After receiving a diagnosis of nasopharyngeal cancer, many patients have concerns about their symptoms, diagnosis and treatment options. While the patient’s healthcare team is always the best source of personalized guidance, here are answers to some frequently asked questions:

• What are the most common symptoms of nasopharyngeal cancer?
• What is the difference between nasopharyngeal and hypopharyngeal cancer?

Benefit from world-class care at Moffitt Cancer Center

At Moffitt, patients with nasopharyngeal cancer can benefit from our comprehensive, integrated approach to care. The multispecialty team in our renowned Head and Neck Oncology Program includes experts in head and neck oncology, radiation oncology, medical oncology, radiology and supportive care, all working together to deliver highly individualized treatment and support.

Moffitt also offers access to advanced technologies, including state-of-the-art radiation delivery techniques such as IMRT and proton therapy, which can precisely target nasopharyngeal tumors while preserving healthy tissues. Our patients also have opportunities to participate in clinical trials evaluating promising new therapies that are not yet available elsewhere.

Beyond treatment, Moffitt provides a full range of supportive services, including nutrition counseling, rehabilitation, pain management and survivorship programs, to help our patients maintain their quality of life during and after treatment.

If you would like to learn more about nasopharyngeal cancer, you can request an appointment with a specialist in the Head and Neck Oncology Program at Moffitt by calling 1-888-663-3488 or submitting a new patient registration form online. We do not require referrals.