Upward migration and peroral extrusion of a peritoneal shunt catheter: Case report and review of the literature.

Background: Various complications after ventriculoperitoneal (VP) shunt surgery have been reported, but peroral extrusion of peritoneal catheter is an extremely rare complication, and only 20 cases have been reported since 1987. The pathophysiology still remains unclear and the management is challenging.

Case Description: A 5-year-old boy presented with a catheter coming out of his mouth.