[Left paraduodenal internal hernia. A new case report].

Objective: Remind the clinical and radiological features of the internal left para duodenal hernia.

Materials And Method: We report the case of a left para duodenal hernia in a 30 years old woman who suffers of an acute abdominal pain explored by ultra sonography, barium upper gastro intestinal radiography, computed tomography and MRI.

Results: CT shows a well limited intra abdominal mass composed of small bowel wrapped in a bag of peritoneum, and moving to the left the mesenteric axis

Conclusion: Left internal para duodenal hernia is a rare phenomenon and is frequently non diagnosed.