[Polyorchidism is a rare cause of a scrotal mass].

In this case report we present a 14-year-old boy with two testicles in the right hemiscrotum - a case of polyorchidism. He did not have surgery for his condition, and his condition was followed according to the guidelines. In a study, 6.4% of cases with polyorchidism were found to contain neoplasms of which the most were malignant. If the supernumerary testicle is not contributing to the spermatogenesis, it is therefore recommended to remove the testicle. Otherwise, recommendations are a yearly follow-up by Doppler ultrasound, including a physical examination to discover development of cancer.