Trichoepithelioma
A small benign tumor derived from basal cells in the hair follicle. Trichoepithelioma may occur sporadically or as the cardinal feature of a uncommon genetic disorder called multiple familial trichoepithelioma characterized by the presence of many small tumors predominantly on the face, inherited in an autosomal dominant pattern. A trichoepithelioma can undergo malignant transformation into a basal cell carcinoma.
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Infection with the human whipworm, a nematode (roundworm) formally known as Trichuris trichiura. The third most common round worm of humans. Occurs worldwide, with infections more frequent in areas with tropical weather and poor sanitation practices, and among children. It is estimated that 800 million people are infected worldwide. Trichuriasis occurs in the southern United […]
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