Painful Bump Inside Cheek: Should You Worry About Cancer? - Otolaryngology

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There is a small bump on the inside of the cheek?


I have developed a painful lump on the inside of my cheek near my wisdom teeth.
Initially, I bit that area while eating, but it later became swollen and very painful, to the point where the outside of my cheek is visibly swollen.
Now, almost a week has passed, and the swelling has decreased and the pain is less intense.
Doctor, could this be cancer? I am very worried and scared.
Thank you.

P, 20~29 year old female. Ask Date: 2015/10/22

Dr. Zheng Jueyi reply Otolaryngology


Hello, the most common issue is inflammation of the parotid gland opening, which is mostly a result of infection.
If the swelling has subsided and the pain has improved, there is usually no abnormality.
However, if you still have concerns, you may seek medical examination.
Wishing you peace and health.
Sincerely, Dr.
Jue-Yi Cheng, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2015/10/22

More Info


When it comes to a painful bump inside the cheek, especially near the wisdom teeth, there are several potential causes to consider, and cancer is just one of them. It’s understandable to feel anxious about any unusual growth or pain in the body, particularly given the prevalence of cancer-related fears in today’s society. However, it's essential to approach this situation with a balanced perspective.

The bump you are experiencing could be due to a variety of non-cancerous conditions. One common cause is a mucocele, which is a cyst that forms when a salivary gland is blocked or damaged. This can happen from biting the inside of your cheek, which you mentioned occurred initially. Mucoceles are typically harmless and often resolve on their own, but they can be painful and may require treatment if they persist.

Another possibility is an infection or inflammation, particularly if you have had dental issues or if your wisdom teeth are impacted. Infections in the mouth can lead to swelling and pain, and they often require dental intervention. If the bump is associated with a dental abscess, it’s crucial to seek treatment promptly to avoid complications.

While cancer in the oral cavity can present as a lump or sore that does not heal, it is relatively rare, especially in younger individuals without significant risk factors such as tobacco use or heavy alcohol consumption. Oral cancers often present with other symptoms, such as persistent sores, difficulty swallowing, or changes in speech. The fact that your bump has shown signs of improvement over the past week is a positive sign, as cancerous lesions typically do not resolve on their own.

That said, it is essential to monitor the bump closely. If it continues to grow, does not improve, or if you develop additional symptoms such as fever, difficulty swallowing, or persistent pain, you should seek medical attention. A healthcare professional can perform a thorough examination and may recommend imaging studies or a biopsy if there is any concern about the nature of the bump.

In terms of managing your anxiety about this situation, it can be helpful to focus on what you can control. Maintain good oral hygiene, avoid irritating the area, and consider scheduling a dental appointment for a professional evaluation. Engaging in relaxation techniques, such as mindfulness or deep-breathing exercises, can also help alleviate anxiety while you wait for further evaluation.

In conclusion, while it’s natural to worry about cancer when encountering unusual symptoms, the likelihood of your painful bump being cancerous is low, especially given its recent onset and improvement. However, staying vigilant and consulting with a healthcare provider is the best course of action to ensure your health and peace of mind.

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