Syringocystadenoma papilliferum presenting as a cutaneous horn.
Wen
S Y
SY
D006607:Adenoma, Sweat Gland / Q000175:diagnosis*; D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D007642:Keratosis / Q000175:diagnosis*; D008297:Male; D013544:Sweat Gland Neoplasms / Q000175:diagnosis*