Sigmoid and Cecal Volvulus Differential Diagnoses

Updated: Jul 29, 2022
  • Author: Scott C Thornton, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Diagnostic Considerations

The differential diagnosis of colonic volvulus includes a rare condition known as an ileosigmoid knot. An ileosigmoid knot occurs when the ileum and sigmoid colon become entangled, creating a knot that results in vascular compromise of the bowel. The patient presents with acute onset of abdominal pain and rapidly developing shock. Ileosigmoid knot is a life-threatening condition that requires urgent surgical treatment.