Crossed testicular ectopia.

Crossed testicular ectopia/transverse testicular ectopia is an extremely rare anomaly, in which both gonads migrate toward the same hemiscrotum. About 100 cases of transverse testicular ectopia have been reported in published studies. We report a case of transverse testicular ectopia in an 8-year-old boy who presented with right inguinal hernia and nonpalpable left testis. On exploration, both testes were present in the right inguinal region. Bilateral orchiopexy was performed by crossing the left testis in the preperitoneal space. The diagnosis could not be made preoperatively in most of reported cases. Magnetic resonance imaging, magnetic resonance venography, and laparoscopy are useful for diagnosis and management.