Image Collection: Noncancerous, Precancerous and Cancerous Tumors

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39. Picture of Congenital Nevomelanocytic Nevus

Picture of Congenital Nevomelanocytic Nevus
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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This picture shows a congenital nevomelanocytic nevus on the eyelid of a 45-year-old Asian female. The nevus is split, and appears on both the upper and lower lids. Nevomelanocytes originate from the neural crest and travel to the skin after the 10th week in utero but prior to week 24 of gestation. The latter is when eyelid splitting occurs.

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.

Text Reference: National Organization for Rare Diseases: “Giant Congenital Melanocystic Nevus”

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