[Unusual neoplasm in the scrotum].

A clinical case of scrotal atavism in the form of bone plate, which simulated neoplasm of scrotal organs and has not been previously described, is presented in the article. In our opinion, the tumor is a vestige of Bakulyum, an organ, which disappeared in Homo sapiens. The patient was successfully operated in the outpatient surgical department with good functional and long-term results. After 1-year follow-up, there were no complaints or recurrence. The patient had normal sexual function.