A 41-year-old man presented to our hospital in December 2005 with multifocal penile masses (Figure1). The tumors were located on the penile shaft and had been enlarging gradually for the past 5 years.

A 30-year-old Caucasian man was referred by his dermatologist because of several asymptomatic lesions on the penis. He was healthy and never had surgery other than a circumcision as a neonate. He did ...