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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.
For example, Addison's disease causes hyperpigmentation in the mouth and may be noticed during an exam followed alongside other systemic symptoms. An oral biopsy alongside other relevant tests (i.e. bloods) should be taken and confirmed for diagnosis for any type of oral melanosis which you suspect to be caused by an underlying disease.
[4] [7] One specific type is common in HIV/AIDS. [13] It is a precancerous lesion, a tissue alteration in which cancer is more likely to develop. [4] The chance of cancer formation depends on the type, with between 3–15% of localized leukoplakia and 70–100% of proliferative leukoplakia developing into squamous cell carcinoma. [4]
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The tongue of a cancer patient turned black and hairy, likely as a result of a rare reaction to antibiotics used in her treatment doctors say. ... The affected area was described as a “brownish ...
Oral cancer, also known as oral cavity cancer, tongue cancer or mouth cancer, is a cancer of the lining of the lips, mouth, or upper throat. [6] In the mouth, it most commonly starts as a painless red or white patch , that thickens, gets ulcerated and continues to grow.
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The earlier the oral cancer is diagnosed, the better the chances for full recovery. Persistent suspicious masses or ulcers on the mouth should always be examined. Diagnosis is usually made with a biopsy; treatment depends on the exact type of cancer, where it is situated, and extent of spreading.