Congenital right diaphragmatic hernia in an adult.

Diaphragmatic hernia in the absence of trauma in adults is very rare. It occurs as a result of unilateral diaphragmatic agenesis. The diagnosis of this rare condition is typically made in early infancy.

A case of sigmoid colon duplication in an adult woman.

Colonic duplication is a rare congenital anomaly that is often diagnosed in childhood, but may go unrecognised until adulthood. It often presents with chronic abdominal pain and constipation, and the preoperative diagnosis may be difficult. We present a case of sigmoid duplication in a 33-year-old Indonesian woman who presented with right-sided colicky abdominal pain and vomiting.