Axial torsion of Meckel's diverticulum presenting as a pelvic mass.

Meckel's diverticulum is the most common congenital gastrointestinal anomaly. Axial torsion of the diverticulum is rare and may produce nonspecific abdominal signs and symptoms. We describe a case of torsion of a Meckel's diverticulum that was noted as a pelvic mass on CT images.