Sigmoid volvulus

Case contributed by Dr Bruno Di Muzio


Distension and progressive diffuse abdominal pain for one day. He denies fever or vomiting and refers constipation.

Patient Data

Age: 85
Gender: Male

Abdomen X-ray

Markedly dilated bowel in the abdomen, with apex of the dilated loops pointing toward the right upper quadrant.


CT Abdomen and pelvis

PO contrast. There is markedly dilated sigmoid colon, with an abrupt transition point at the rectosigmoid junction and swirling of the surrounding mesentery and vessels.

Annotated image

Annotated images.

Case Discussion

Sigmoid volvulus is abnormal twisting of the sigmoid colon along its mesenteric axis that causes closed-loop obstruction and can lead to ischemia, perforation, and death. 

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Case information

rID: 17788
Case created: 12th May 2012
Last edited: 6th Feb 2016
Inclusion in quiz mode: Included

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