[Incarcerated Waldeyer's hernia as the cause of necrosis of the small intestine (case report)].

: The authors present a case-record of a rare incarcerated Waldeyer hernia which became the cause of infarsation and necrosis of the free portion of the small intestine in the abdominal cavity, which developed as a result of compression of the upper mesenteric vein by the contents of the hernial sac. The authors draw attention to the asset of CT examination for preoperative diagnosis. US examination failed. They explain why, although a rare acute ileous abdomen is involved, the X-ray picture of levels on the native X-ray of the abdomen is lacking.