title: Multiple benign juvenile melanoma.
abstract: Multiple benign juvenile melanoma is a rare entity, seen primarily in children. Two 3-year-old patients who developed multiple juvenile melanomas in areas of congenital hyperpigmentation are presented. The distinct clinical presentations of this lesion are discussed, and its ultrastructure is described.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D008297:Male; D008544:Melanocytes / Q000648:ultrastructure; D008854:Microscopy, Electron; D009508:Nevus, Pigmented / Q000175:diagnosis* / Q000648:ultrastructure; D010859:Pigmentation Disorders / Q000151:congenital; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000648:ultrastructure