Solitary pigmented Bowen's disease.
D001913:Bowen's Disease / Q000151:congenital / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000151:congenital / Q000473:pathology*