Anogenital skin diseases of childhood.

Evaluation of anogenital lesions in children is a challenging problem. The differential diagnosis includes a spectrum of traumatic, infectious, neoplastic, and genetic disorders. The possibility of sexual abuse should always be considered and investigated as indicated. A systematic work-up will expedite the correct diagnosis and limit unnecessary anxiety for parents, children, and physicians. Referral to a center that provides specialized service for the evaluation and treatment of these disorders may be indicated.