A neonate with an intact congenital umbilical appendix: an alternative theory on the etiology of the appendico-umbilical fistula

Abstract  Neonatal umbilical anomalies usually represent remains of the vitelline duct or the allantois. We describe a case of an umbilical appendix in a neonate. The vermiform appendix was found to be positioned in the umbilical cord. In a brie