We studied three patients having cerebriform intradermal nevus (CIN), a cause of cutis verticis gyrata that can be diagnosed by clinical and histopathologic findings. Histologically and ultrastructurally, CIN has the appearance of a very large nevus-cell type of dermal nevus. Complications of CIN, including the development of malignant melanoma, are the basis for prognosis and for therapeutic approach.
Orkin M, Frichot BC, Zelickson AS. Cerebriform Intradermal Nevus: A Cause of Cutis Verticis Gyrata. Arch Dermatol. 1974;110(4):575–582. doi:10.1001/archderm.1974.01630100035009
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