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Early Detection, Diagnosis, and Staging of Nasal Cavity and Paranasal Sinus Cancers
Learn about the signs and symptoms of nasal cavity and paranasal sinus cancers. Find out how nasal cavity and paranasal sinus cancers are tested for, diagnosed, and staged.
- Can nasal cavity and paranasal sinus cancers be found early?
- Signs and symptoms of nasal cavity and paranasal sinus cancers
- Stages and outlook for nasal cavity and paranasal sinus cancers
- Tests for nasal cavity and paranasal sinus cancers
- Questions to ask your doctor about nasal cavity or paranasal sinus cancer
Can nasal cavity and paranasal sinus cancers be found early?
Small cancers of the nasal cavity (nose) and paranasal sinuses usually do not cause any specific symptoms that help doctors find them at an early stage, when they're small and treatment is more likely to be successful.
Many of the symptoms of nasal cavity and paranasal sinus cancers can also be caused by benign (non-cancerous) conditions like infections.
Because of this, many of these cancers aren't found until they have grown large enough to block the nasal airway or sinuses, or until they've spread to nearby tissues or to distant parts of the body.
Screening for nasal cavity and paranasal sinus cancers
Screening is testing for diseases such as cancer in people without symptoms to try to find them early. However, there's no simple screening test for nasal cavity and paranasal sinus cancers. These cancers are also uncommon. Because of this, neither the American Cancer Society nor any other group recommends routine screening for these cancers.
Signs and symptoms of nasal cavity and paranasal sinus cancers
Some nasal cavity and paranasal sinus cancers might be found early because of symptoms they’re causing. Some possible early signs and symptoms of these cancers include:
- Nasal congestion and stuffiness that doesn’t get better
- Nosebleeds
- Pain above or below the eyes
- Post-nasal drip (nasal drainage in the back of the nose and throat)
- Pus draining from the nose
- Problems with your sense of smell
- Numbness or pain in parts of the face, including the teeth
- A lump or mass on the face, palate (top of the mouth), or inside the nose
Most of these symptoms are much more likely to be caused by less serious problems such as a sinus infection. Still, if you have any of them, and especially if they don’t go away, it’s important to see a health care provider so that the cause can be found and treated, if needed.
Stages and outlook for nasal cavity and paranasal sinus cancers
After a diagnosis of nasal cavity or paranasal sinus cancer, many people want to understand what to expect. Doctors use information about a tumor’s stage (extent) to decide what treatment is best for each specific case.
Survival rates are a way to measure how many people survive a certain type of cancer over time. Some people find this information helpful, while others prefer to focus more on treatment plans and next steps.
Tests for nasal cavity and paranasal sinus cancers
Nasal cavity and paranasal sinus cancers are usually found when a person sees a health care provider because of signs or symptoms they’re having. If cancer is suspected, tests will be done, sometimes by specialists, to confirm the diagnosis.
Medical history and physical exam
You will be asked about your medical history, any problems you've been having, and possible risk factors, such as where you work and what chemicals you work with.
The doctor will examine you to look for signs of nasal cavity or paranasal sinus cancer, as well as other health problems.
During the exam, the doctor will carefully check your head and neck, including your nose and sinuses, for numbness, pain, swelling, and/or firmness in your face and the lymph nodes in your neck. The doctor will look for changes in the symmetry of your eyes and face (both sides should be about the same), vision changes, and other problems.
Exam by a specialist
If your doctor thinks you might have cancer of the nasal cavity or paranasal sinuses or another part of the head or neck, you'll likely be referred to an otolaryngologist, a doctor who specializes in ear, nose, and throat problems, also called an ENT doctor. This doctor will carefully check your nasal passages.
The doctor will look into the front part of your nose with a light or headlight. The doctor might use a tool called a nasal speculum to gently open your nostril for a better view.
The ENT doctor will most likely do a nasal endoscopy, in which a thin, flexible, lighted tube with a camera on the end is put in through your nose to look into deeper areas. This can usually be done in the office with a numbing spray. If anything abnormal is seen, a biopsy might be done to remove a piece of it for testing.
The doctor will most likely check the rest of your head and neck as well, including your mouth, tongue, and throat. This is known as a complete head and neck exam.
Imaging tests
Imaging tests are used to create pictures of the inside of your body. Imaging tests are not used to diagnose nasal cavity or paranasal sinus cancers, but they might be done for a number of reasons both before and after a cancer diagnosis, including:
- To help look for a tumor if one is suspected
- To see if a tumor can be safely biopsied without causing a lot of bleeding
- To learn how far the cancer might have spread (metastasized)
- To see if the cancer can be removed with surgery
- To help determine if treatment is working
- To look for signs that the cancer has come back (recurred) after treatment
X-rays of the head area, mainly of the sinuses, can show if there's fluid or a mass in the sinuses, instead of air like there should be. This would suggest that something is wrong, but it might not be a tumor. Most of the time, an abnormal-looking sinus on an x-ray means there's an infection.
Sinus x-rays are not often done because many doctors prefer to do a CT scan instead, which gives a more detailed picture.
If you've been diagnosed with nasal cavity or paranasal sinus cancer, a chest x-ray might be done to find out if the cancer has spread to your lungs, although a chest CT scan is often done instead.
A CT scan uses x-rays to make detailed cross-sectional images of the inside of your body.
This test is very useful in finding cancers of the nasal cavity and paranasal sinuses, measuring the size of the tumor, showing if it is growing into nearby tissues, especially bones, and if it has spread to the lymph nodes in the neck.
If cancer has been found, a chest CT might be done to see if the cancer has spread to the lungs.
MRI scans use radio waves and strong magnets instead of x-rays to create detailed images of your body.
MRIs are very helpful in looking at cancers of the nasal cavities and paranasal sinuses. They are better at showing details in soft tissues than CT scans and can often help show if a change is fluid or a tumor. They can also show if a tumor has spread into nearby soft tissues, like the eye, brain, or blood vessels.
For a PET scan, a small dose of a radioactive form of sugar is injected into your blood. The sugar tends to collect in cells that are more active, such as cancer cells. A special camera then takes pictures showing where the sugar has gathered in your body.
A PET scan might be used to look for possible areas of cancer spread or it might be done if a CT or MRI does not show an obvious tumor. This test can also be used to help determine if an abnormal area seen on another imaging test is cancer or not.
PET/CT scan: PET scans don’t show details very well, so a PET scan is often done along with a CT scan using a machine that can do both scans at the same time. This lets the doctor compare areas of higher radioactivity on the PET scan with the detailed pictures from the CT scan.
Biopsies
The only way to confirm whether a growth is nasal cavity or paranasal sinus cancer is to remove a sample and examine it in the lab. This is called a biopsy.
If cancer is found, testing of the biopsy samples can also show what kind of cancer it is and how fast it’s likely to grow and spread. This information is needed to help plan the best treatment.
Different types of biopsies can be used to diagnose nasal cavity or paranasal sinus cancer. Doctors look closely at where the tumor is and the blood vessels around it when deciding on the best way to do a biopsy.
Some biopsies can be done in the doctor’s office or clinic, using medicines to numb the area. If the tumor is in a place that is hard to get to or might bleed a lot, the biopsy might need to be done in an operating room.
These types of biopsies remove part or all of a tumor using minor surgery. Biopsies of tumors in the nose might be done using special tools that are put into the nose. Biopsies of tumors that are deeper within the skull might require a more involved procedure (see below).
- For an incisional biopsy, the surgeon cuts out a small piece of the tumor.
- For an excisional biopsy, the entire tumor is removed.
Some tumors that are deep in the nasal passages can be reached using an endoscope. Long, thin surgical tools can be passed through the endoscope to do the biopsy.
For tumors inside the sinuses, the doctor might have to cut through the skin next to the nose and through the underlying bones to reach them. See Surgery for Nasal Cavity and Paranasal Sinus Cancer for more details.
For an FNA, the doctor puts a thin, hollow needle attached to a syringe into a tumor or lymph node to remove cells and/or a few drops of fluid. The doctor might repeat this several times.
This type of biopsy isn’t likely to be used to sample a tumor in or around the nose or sinuses. It’s most often used in people with swollen lymph nodes in the neck to see if the swelling is from cancer or from an infection.
See Biopsy and Cytology Tests for more information.
Lab tests of biopsy samples
Biopsy samples from endoscopy or surgery are sent to a lab, where they are looked at closely. If cancer is found, lab tests might be done on the biopsy samples to help better classify the cancer and possibly find specific treatment options.
Doctors might test the cancer cells for certain gene or protein changes. This might affect treatment, especially if the cancer is advanced. For example, cancer cells might be tested for the PD-L1 protein, which might predict if the cancer is more likely to respond to treatment with certain immunotherapy drugs.
Other pre-treatment tests
Other tests might be done if you are found to have nasal cavity or paranasal sinus cancer. These tests can show if you are healthy enough for certain treatments like surgery or chemotherapy.
A complete blood count (CBC) measures the levels of different cells in your blood. It can show:
- If you are anemic (have too few red blood cells)
- If you could have trouble with bleeding from having a low number of blood platelets
- If you are at increased risk for infections because of a low number of white blood cells
This test could be repeated regularly during treatment, as many cancer drugs can lower the number of blood cells made by the bone marrow.
Blood chemistry test results can help show how well your liver or kidneys are working.
If surgery is planned, you might also get an electrocardiogram (ECG) to make sure your heart is working well. Some people having surgery might also get lung tests known as pulmonary function tests (PFTs).
Your cancer care team might have you see your dentist before radiation therapy, since it can damage the salivary (spit) glands and cause dry mouth. This can raise the chance of cavities, infection, and breakdown of the jawbone. The dentist might also pull some teeth before radiation if they think they might cause problems during treatment.
Cisplatin, a common chemotherapy drug used to treat nasal cavity and paranasal sinus cancers, can affect your hearing. Your hearing might be checked with an audiogram before starting treatment. Your doctor might need to change your chemotherapy plan if you already have trouble hearing.
If you have lost a lot of weight because of the cancer, you might see a nutritionist, who will evaluate your nutritional status before, during, and after your treatment to try to keep your body weight and protein levels as normal as possible.
You might see a speech therapist, who will test your ability to swallow and speak, depending on the location of the cancer. They might give you exercises to do during treatment to help strengthen the muscles in the head and neck area to help you eat and talk more normally after treatment.
Questions to ask your doctor about nasal cavity or paranasal sinus cancer
- Where is my cancer located?
- What kind of nasal cavity or paranasal sinus cancer do I have?
- What is the stage (extent) of the cancer, and what does that mean?
- Will I need any other tests before we can decide on treatment?
- Do I need to see any other doctors or health professionals?
- If I’m concerned about the costs and insurance coverage for my diagnosis and treatment, who can help me?
- Written by
- References
Developed by the American Cancer Society medical and editorial content team with medical review and contribution by the American Society of Clinical Oncology (ASCO).
Dagan R, Amdur RJ, Dziegielewski PT. Tumors of the nasal cavity. UpToDate. 2025. Accessed at https://www.uptodate.com/contents/tumors-of-the-nasal-cavity on January 14, 2026.
Leeman JE, Katabi N, Wong, RJ, Lee NY, Romesser PB. Chapter 65: Cancer of the Head and Neck. In: Niederhuber JE, Armitage JO, Doroshow JH, Kastan MB, Tepper JE, eds. Abeloff’s Clinical Oncology. 6th ed. Philadelphia, Pa: Elsevier; 2020.
National Cancer Institute. Paranasal Sinus and Nasal Cavity Cancer Treatment (PDQ)–Patient Version. 2024. Accessed at https://www.cancer.gov/types/head-and-neck/patient/adult/paranasal-sinus-treatment-pdq on January 14, 2026.
National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: Head and Neck Cancers. V.1.2026. Accessed at www.nccn.org on January 14, 2026.
Stenson KM, Haraf DJ. Paranasal sinus cancer. UpToDate. 2025. Accessed at https://www.uptodate.com/contents/paranasal-sinus-cancer on January 14, 2026.
Last Revised: February 27, 2026
American Cancer Society medical information is copyrighted material. For reprint requests, please see our Content Usage Policy.
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