Linear sebaceous nevus syndrome.
D006258:Head and Neck Neoplasms / Q000473:pathology*; D006801:Humans; D009508:Nevus, Pigmented / Q000473:pathology*; D012535:Scalp; D012627:Sebaceous Glands; D012878:Skin Neoplasms / Q000473:pathology*; D013577:Syndrome