Cerebriform intradermal nevus.

Cerebriform intradermal nevus is a rare form of cutis verticis gyrata. Clinically it manifests as a scalp deformity resembling the surface of the brain, with cerebriform morphologic characteristics. Degeneration into malignant melanoma has been reported. Herein, a cerebriform intradermal nevus of the scalp in a 7-year-old girl is reported. The clinical and histopathologic presentations of cerebriform intradermal nevus are described and the therapeutic possibilities discussed.