“…One of the complications that causes a shunt system malfunction is migration of the distal catheter. Migration of the distal end of the catheter to different regions such as the thoracic cavity, pulmonary artery, bladder, scrotum, heart, and stomach had been reported4,5,9,10,12,15). However, proximal migration of the distal end of a catheter to the subgaleal space has been rarely reported3,6,8,11).…”