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Leukoplakia is, therefore, the most common premalignant lesion that occurs in the mouth. [41] Leukoplakia is more common in middle-aged and elderly males. [30] The prevalence increases with increasing age. [2] In areas of the world where smokeless tobacco use is common, there is a higher prevalence. [2]
Erythroplakia is a clinical term to describe any erythematous (red) area on a mucous membrane, [2] that cannot be attributed to any other pathology. [3]: 805 The term erythroplasia was coined by Louis Queyrat to describe a precancerous red lesion of the penis. [4]
Hairy leukoplakia is a white patch on the side of the tongue with a corrugated or hairy appearance. It is caused by Epstein-Barr virus (EBV) and occurs usually in persons who are immunocompromised , especially those with human immunodeficiency virus infection/ acquired immunodeficiency syndrome (HIV/AIDS).
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
Diagnosis is mainly clinical, based on the history and clinical appearance. The differential diagnosis includes other oral white lesions such as Leukoplakia, squamous cell carcinoma, oral candidiasis, lichen planus, white sponge nevus and contact stomatitis. [7] In contrast to pseudomembraneous candidiasis, this white patch cannot be wiped off. [7]
Skin changes can occur after prolonged exposure to any heat source, Camp noted, including laptops, heated car seats, hot water bottles, electric blankets, space heaters and heating pads used to ...
Precancerous conditions of the skin or oral cavity can appear as visible lesions without associated pain or discomfort, [7] while precancerous conditions of the hematological system are typically asymptomatic, and in the case of monoclonal gammopathy of unknown significance, it may only rarely cause numbness and tingling in the hands and feet ...
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