A rare cause of inguinal mass in a female child: Hydrocele or cyst of the canal of Nuck

The canal of Nuck is a different type of a patent processus vaginalis in females. It loses its communication between peritoneal cavity within the first year of the life. It presents as an inguinal mass in female. Sometimes it may present as incarcerated inguinal hernia and necessitates emergency exploration. It can be diagnosed on the operating table at the time of suspected incarcerated inguinal hernia.