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

Modality: X-ray

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

CT Abdomen and pelvis

Modality: CT

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.

Modality: 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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