Keratoacanthoma. Presented by Dr. Harvey B. Ansell.
A woman aged 46, a schoolteacher, was previously presented before this society on Oct. 9, 1957 (A.M.A. Arch. Dermat. 78:112 [July] 1958) with a verrucous tumor on the dorsum of her right thumb. The diagnoses in question were (1) epidermoid carcinoma, and (2) keratoacanthoma.The patient had had "warts" scattered about her body as long as she could remember. In 1955 she developed a large "wart" about the nail of the leftFeb. 10, 1960 middle toe, and the toe was amputated. The pathologic report was epidermoid carcinoma. In August, 1957, she burned the dorsum of her right thumb, and a warty growth developed at the site of the burn. Three weeks later it was excised by a surgeon, and the histopathologic diagnosis was epidermoid carcinoma, Grade III. A similar "wart" present above the left ankle since March, 1957, was excised and reported
NEW ENGLAND DERMATOLOGICAL SOCIETY. Arch Dermatol. 1960;82(3):456–463. doi:10.1001/archderm.1960.01580030150034
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