oral leukoplakia

oral leukoplakia
white, thick patches on the oral mucosa produced by hyperkeratosis of the epithelium, with thickening of stratified squamous epithelium, hyperkeratosis, hyperplasia, inflammatory infiltration, and degeneration of epithelial cells. It is a benign condition but may predispose to development of epidermoid carcinoma. The etiology is variable, but is mainly associated with tobacco use. Called also keratosis linguae, leukokeratosis, psoriasis buccalis, and psoriasis linguae.

Medical dictionary. 2011.

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