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Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
Smokeless tobacco keratosis (STK) [4] is a condition which develops on the oral mucosa (the lining of the mouth) in response to smokeless tobacco use. Generally it appears as a white patch, located at the point where the tobacco is held in the mouth. The condition usually disappears once the tobacco habit is stopped.
Tongue lesions are more common in persons who wear dentures and tobacco users. [10] The most common tongue conditions are geographic tongue, followed by fissured tongue and hairy tongue. [ 10 ]
Tobacco smoking or chewing is the most common causative factor, [29] with more than 80% of persons with leukoplakia having a positive smoking history. [1] Smokers are much more likely to develop leukoplakia than non-smokers. [ 1 ]
The sixty-year-old patient’s face skin also turned grey, doctors say
The cause is unknown, [2] but it is thought to be caused by intracellular edema of the superficial epithelial cells coupled with retention of superficial parakeratin. . Although leukoedema is thought to be a developmental condition, it may be more common and more pronounced in smokers, and becomes less noticeable when smoking is
This form of cancer is often seen in those who chew tobacco or use snuff orally, so much so that it is sometimes referred to as "Snuff dipper's cancer". Chewing betel nuts is an additional risk factor commonly seen in Taiwan.