Paraovarian cyst is very uncommon in children, and its preoperative diagnosis is difficult. This report describes 2 cases of surgically proven paraovarian cyst with torsion. It is important to be aware of torsion as a complication of paraovarian cyst.
Departments of Pediatric Surgery and Radiology, Chiba University, School of Medicine, and the Department of Pathology, Chiba Children's Hospital, Chiba, Japan.