Image Collection: Noncancerous, Precancerous and Cancerous Tumors

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18. Picture of Keratoacanthoma 1

Picture of Keratoacanthoma (1 of 2)
Image Source: Fitzpatrick's Color Atlas & Synopsis of Clinical Dermatology Klaus Wolff, Richard Allen Johnson, Dick Suurmond Copyright 2005, 2001, 1997, 1993 by The McGraw-Hill Companies. All Rights reserved.
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Keratoacanthoma (KA) is a special lesion, a pseudocancer, occurring as an isolated nodule, usually on the face, and mimicking squamous cell carcinoma. Unique features are its rapid growth rate, much faster than that of an SCC, and also its spontaneous remission over a period of several months.

Image Source: Fitzpatrick's Color Atlas & Synopsis of Clinical Dermatology Klaus Wolff, Richard Allen Johnson, Dick Suurmond Copyright 2005, 2001, 1997, 1993 by The McGraw-Hill Companies. All Rights reserved.

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