Transvaginal liver surgery using a tethered magnet and a laparoscopic rein.

Introduction: A novel technique was used to remove a large liver cyst via culdolaparoscopy.

Case Description: We used laparoscopic instruments, a gastroscope, a laparoscopic rein, and magnets. The magnets consist of an external magnet and a specially modified tethered neodymium internal magnet, safe for use in transvaginal endoscopic surgery.