Steatocystoma multiplex.

Steatocystoma multiplex is a poorly understood clinical condition characterized by numerous cutaneous cysts. The lesions can be confused with milia, epidermal inclusion cysts, sebaceous cysts, dermoids, and the cysts of acne vulgaris. This patient has hypotrichosis and multiple milia-like cysts on the face and scalp, showing the histologic characteristics of steatocystoma multiplex.