Fig. 1

A 51-y-old male patient with an absent scrotum and testis on the right side. a Enhanced CT traverse scanning. b Coronal scanning. Solid masses with a complete capsule (arrow) were visible in the right pelvic cavity. These masses extended into the ipsilateral groin and led to bulging of the abdominal wall. The solid mass was slightly enhanced, and small low-density plaques (dots) were visible in the solid part (curved arrow). Surgery and pathology diagnosed an intra-abdominal undescended testis secondary seminoma