Question

The precancerous lesion associated with tobacco use that looks like a thickened, flat white patch on the mucous membrane of the mouth is __________.

Answer 1

Ans. 'Leukoplakia.'

Leukoplakia is characterized by development of flat, thickened, white patches, on the lining of mucous membrane of mouth and tongue. The most common cause of leukoplakia is smoking due to chronic irritation of cells from tobacco.

These patches are also known as precancerous lesions as more serious cases can lead to development of oral cancer.

Thus, the correct word to be filled in the blank is 'leukoplakia.'

Answer 2

The precancerous lesion associated with tobacco use that looks like a thickened, flat white patch on the mucous membrane of the mouth is leukoplakia.
Leukoplakia is a condition in which white or grey spots are formed inside the mouth. It is also known as smoker keratosis.. It may be consider as a early sign of cancer but most of these are non-cancerous.