Childhood warts: an update.

Warts are benign intraepidermal neoplasms that are caused by infection with human papillomavirus and commonly affect children and adolescents. The 4 most common types of cutaneous warts are common warts, plantar warts, flat warts, and genital warts. Although they rarely pose a serious health problem, warts can result in physical impairment and psychosocial discomfort. A variety of treatment modalities are employed to treat these growths in children.