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Keratoacanthoma

Image Description
keratoacanthoma

Keratoacanthoma: An indurated soft tissue enlargement of the right commissure area. The lesion is fixed to the surface and to underlying muscle. The center of the lesion is filled with keratin.

keratoacanthoma

Keratoacanthoma: Low power microscopic image showing squamous epithelium proliferating outward and downward into the connective tissue