Sudden Tongue Blisters: Should You Worry About Oral Cancer? - Otolaryngology

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Sudden formation of a blister on the tongue!


Hello Dr.
Jian: My father is 53 years old and has not smoked or chewed betel nut for about 6-7 years.
Occasionally, while eating (especially foods like chicken legs), he suddenly develops a blood blister on his tongue that quickly enlarges.
He has a habit of immediately puncturing the blister to let the blood out to prevent it from spreading.
I am very concerned whether this could be an issue related to oral cancer or tongue cancer.

Ms. Chen, 20~29 year old female. Ask Date: 2005/11/21

Dr. Jian Huangqi reply Otolaryngology


Please seek medical attention promptly for examination, and it is best to bring the blood sample along with you.

Reply Date: 2005/11/21

More Info


When it comes to sudden tongue blisters or lesions, it is understandable to be concerned about the possibility of oral cancer, especially given the alarming nature of such symptoms. However, it is essential to approach this situation with a clear understanding of the potential causes and the appropriate steps to take.

Firstly, it is important to note that not all tongue blisters or lesions are indicative of oral cancer. There are various benign conditions that can cause similar symptoms. For instance, traumatic injuries to the tongue, such as biting it while eating or irritation from sharp food edges, can lead to the formation of blisters or ulcers. Additionally, conditions like aphthous ulcers (canker sores) can also cause painful lesions on the tongue and other areas of the mouth.

In your father's case, the fact that he has a history of sudden tongue blisters, particularly when eating certain foods, suggests that there may be a mechanical or irritative cause rather than a malignant one. The act of piercing the blister to relieve pressure and prevent it from spreading is not uncommon, but it is crucial to ensure that this does not lead to infection or further complications.

While the absence of smoking and betel nut chewing is a positive factor, it is important to consider other risk factors for oral cancer, such as excessive alcohol consumption, a history of HPV (human papillomavirus) infection, and prolonged exposure to irritants. Oral cancer typically presents with persistent lesions that do not heal over a period of two weeks, along with other symptoms such as difficulty swallowing, unexplained weight loss, and persistent pain.

Given your father's symptoms, it would be prudent to consult with a healthcare professional, preferably an oral surgeon or an otolaryngologist (ear, nose, and throat specialist). They can perform a thorough examination of the oral cavity, assess the nature of the lesions, and determine if a biopsy is necessary to rule out malignancy. A biopsy would provide definitive information about the cellular makeup of the lesions and whether they are benign or malignant.

In the meantime, it is advisable for your father to avoid irritating foods, such as spicy or acidic items, which may exacerbate the condition. Maintaining good oral hygiene is also crucial to prevent secondary infections. If the lesions persist or worsen, or if new symptoms arise, seeking medical attention promptly is essential.

In summary, while the presence of sudden tongue blisters can be concerning, it does not automatically indicate oral cancer. A thorough evaluation by a healthcare professional is necessary to determine the underlying cause and to ensure appropriate management. Early intervention and proper care can significantly improve outcomes and alleviate concerns.

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