Sebaceous trichofolliculoma on scrotum and penis.

A case of unique sebaceous trichofolliculoma on scrotum and penis is reported. Until now, this tumor has been reported as a solitary tumor only on the nose. The patient showed many small soft nodules for several years, then they became large, while some of them amassed. Histological examination showed many cystic cavities with many sebaceous follicles connected to them. No cell atypia or recurrence after excision was noted. A diagnosis of sebaceous trichofolliculoma was made based on histological findings.