Left paraduodenal internal hernia

Case contributed by Dr Ryan Logan Webb

Presentation

Abdominal pain for 1 month, acutely exacerbated with elevated lactate.

Patient Data

Age: 5-10 years
Gender: Female

Abnormal location of small bowel loops within the left hemi-abdomen, lying in the left anterior pararenal space. The ectopic small bowel is contained within a hernia sac, which is outlined by ascites. Associated stretching and distortion of mesenteric vessels

Case Discussion

The descending colon is anteriorly displaced (congenital failure of fusion), with resultant bowel herniation into this potential space named the "fossa of Landzert."

Additionally, some of the small bowel loops demonstrate severe wall thickening and abnormal enhancement pattern consistent with ischemia in the setting of elevated lactate.

At surgery, abnormal location of bowel was noted with the additional finding of twisting of the mesentery resulting in venous occlusion and bowel ischemia. After devolvulizing, the bowel was deemed viable and no bowel was resected. Additionally, congenital bands were seen near the ligament of Treitz, which were lysed. Postoperative course was uncomplicated.

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Case information

rID: 52006
Case created: 17th Mar 2017
Last edited: 10th Jun 2017
Inclusion in quiz mode: Included

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