How to Perform a Self-Examination for Oral Cancer in 5 minutes or less.


April is Oral Cancer Awareness Month, and there’s no better time to learn about the importance of early detection. One way to help catch oral cancer early is by performing a self-examination or an easy examination with your friend or anyone closer to you’s help on a regular basis. Our oncology team advises regular oral screening for high-risk individuals. Early detection saves lives.

Here’s a step-by-step guide on how to do it:

Step 1: Check your face and neck

The first step in an oral cancer self-examination is to check your face and neck. Look for any lumps, bumps, or asymmetries that weren’t there before. Pay particular attention to the lymph nodes in your neck, as swelling in these nodes can be a sign of oral cancer.

Step 2: Check your lips and gums

Next, using flash on your smartphone or a flashlight check your lips and gums for any unusual changes. Look for white or red patches, sores, or ulcers that don’t heal within a few weeks. Check both the inside and outside of your lips, as well as the gums and the inside of your cheeks.

Step 3: Check your tongue

The tongue is a common location for oral cancer to develop, so it’s important to give it a thorough examination. Stick out your tongue and look at the surface for any changes in color or texture. Check the sides and underside of your tongue, as well as the back of your throat.

Step 4: Check the roof and floor of your mouth

Use a flashlight or flash on your smartphone to examine the roof and the floor of your mouth. Look for any changes in colour or texture, such as white or red patches. Run your finger along the surface to feel for any lumps or bumps.

Step 5: Check your throat

Finally, check your throat for any changes. Use a mirror to get a clear view of the back of your throat. Look for any swelling, lumps, or bumps. You can also gently press your fingers against the sides of your throat to feel for any abnormalities.

What is considered abnormal:

It’s important to note that not all lumps or bumps in the mouth are cancerous. However, any changes or abnormalities that persist for more than two weeks should be evaluated by a dentist or doctor.

Abnormalities that may indicate oral cancer include:

  • White or red patches that don’t go away
  • Sores or ulcers that don’t heal
  • Lumps, bumps, or swelling that persists
  • Pain or difficulty swallowing
  • Changes in the way your teeth or dentures fit together
  • Numbness or tingling in the mouth or lips

What can pre-cancers and cancers look like:

  • Leucoplakia: White or gray patch on the tongue, cheek, or gums. Usually non-cancerous but may develop into oral cancer.
  • Erythroplakia: Red patch in the mouth with a higher risk of becoming cancerous.
  • Squamous Cell Carcinoma: Most common oral cancer, appearing as a non-healing sore, lump, or white/red patch on lips or oral lining.
  • Verrucous Carcinoma: Slow-growing, wart-like variant of squamous cell carcinoma.
  • Lymphoma: Cancer affecting lymph nodes in the neck or tonsils.
  • Salvary Gland Tumours: Abnormal growths in the salivary glands of the mouth and throat.

If you notice any unusual mouth changes, sores, patches, or lumps during self-examination, consult your dentist or doctor immediately. Early detection of oral cancer significantly improves treatment success and survival rates.

Besides self-examination, you can lower your oral cancer risk by following these preventive measures:

  • Quitting smoking or using tobacco products
  • Limiting your alcohol consumption
  • Eating a healthy diet rich in fruits and vegetables
  • Using sunscreen on your lips when spending time outdoors

By taking these steps, getting your teeth cleaned and check every 2-3 months and performing regular self-examinations, you can help protect yourself against oral cancer.

conclusion : 

Early detection is the most powerful defense against oral cancer. If you notice persistent mouth sores, white or red patches, lumps, or difficulty swallowing, do not delay. Consult an oral cancer specialist immediately for comprehensive evaluation and advanced screening. Timely diagnosis and expert oncology care significantly improve survival rates and treatment outcomes.

Frequently Asked Questions


Common oral cancer symptoms include persistent mouth ulcers, white or red patches (leukoplakia), lumps in the cheek, jaw pain, difficulty swallowing, loose teeth, unexplained bleeding, and chronic sore throat. Early detection through oral screening improves survival.

Oral cancer is mainly caused by tobacco use, smoking, alcohol consumption, HPV infection, betel nut chewing, poor oral hygiene, and prolonged sun exposure (lip cancer). These risk factors damage oral tissues and lead to abnormal cell growth.

Yes, untreated oral cancer can be life-threatening. However, early-stage oral cancer has a high cure rate with timely surgery, radiation therapy, or chemotherapy. Early diagnosis significantly improves prognosis and survival rate.

Stage 0: Abnormal cells confined to lining

Stage 1–2: Small localized tumor

Stage 3: Spread to nearby lymph nodes

Stage 4: Advanced cancer spread to distant organs

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Aminjikarai, Chennai – 600029