Porokeratosis--a mutant clonal keratosis of the epidermis. I. Histogenesis.
D000794:Angiokeratoma / Q000209:etiology / Q000473:pathology*; D006801:Humans; D012878:Skin Neoplasms / Q000209:etiology / Q000473:pathology*; D013545:Sweat Glands / Q000473:pathology