The nevus comedonicus syndrome: a case report with emphasis on associated internal manifestations.

A 14-year-old boy with nevus comedonicus, multiple congenital abnormalities of the spine, and a central nervous system disorder is described. The associated abnormalities previously reported with nevus comedonicus are summarized. Thorough evaluation of patients with nevus comedonicus may disclose the occurrence of certain internal abnormalities in syndromic association.