keratoacanthoma

keratoacanthoma /ker·a·to·ac·an·tho·ma/ (ker?ah-to-ak?an-tho´mah) a benign, locally destructive, epithelial tumor closely resembling squamous cell carcinoma, manifested as one or more craters, each filled with a keratin plug and usually resolving spontaneously.

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ker·a·to·ac·an·tho·ma (kr-t-kn-thm)

n.

A rapidly growing skin tumor having a central keratin mass and usually occurring on exposed areas, invading the dermis but remaining localized and usually healing spontaneously.

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keratoacanthoma (ker´tōak´an-thō´m),

n (“self-healing carcinoma”) a rapidly growing papular lesion with a superficial crater filled with keratin. Clinical and histopathologic features of this lesion are very similar to well-differentiated squamous cell carcinoma; however, most consider this growth to be benign. Treatment is conservative excision.

Keratoacanthoma.

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keratoacanthoma

see intracutaneous cornifying epithelioma.