Testicular and Scrotal Anomalies By Ronald Rabinowitz, MD, University of Rochester Medical Center; Jimena Cubillos, MD, University of Rochester School of Medicine and Dentistry Reviewed / Revised Aug 2022 | Modified Sep 2022 View Patient Education Topic Resources Congenital hydrocele Congenital Hydrocele The most common testicular and scrotal anomalies are Congenital hydrocele Undescended testes (cryptorchidism) Testicular torsion Rare anomalies include scrotal agenesis, hypoplasia, ectopia, or hemangioma; penoscrotal transposition; and bifid scrotum.