Unilateral angiokeratoma scroti: a rare manifestation of a vascular tumor.

A 21-year-old patient with a six-year history of asymptomatic papular lesions on his scrotum is reported. The lesions were limited to one half of the scrotum and associated with subclinical varicocele on the same side. The clinical and histopathological findings were consistent with a diagnosis of angiokeratoma scroti. Increased venous pressure caused by the varicocele may have been responsible for the unilateral development of angiokeratoma in this patient.