General Surgerist, Gilan University of Medical Sciences and Health Services, Gilan, Iran
Internal hernia represents only a small fraction of the patients with intestinal obstruction, however 50% of paraduodenal hernia present as an acute intestinal obstruction. The case is a 28-year old man with presentation of complete bowel obstruction. Diagnosis confirmed through physical examination and abdominal radiography. Laparatomy was performed during which total herniation of small intestine into a retroperitoneal space through a defect on left mesocolon was noted. A left paraduodenal hernia was diagnosed. The hernia was repaired by reduction and closure of the mesentric defect.