Congenital nevomelanocytic nevus; “split” of the eyelid. A sharply demarcated, brown plaque, involving the upper and lower eyelids in a 45-year-old Asian female. Nevomelanocytes migrate from the neural crest to the skin after the 10th week in utero but before 24 weeks when splitting of eyelids occurs.
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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