Aetiology
Approximately 60% of large bowel obstructions are caused by an underlying colorectal malignancy (1)
- colorectal malignancy together with diverticulitis this accounts for 90% of cases
Colonic volvulus is a rarer cause of obstruction. Sigmoid volvulus is more usually seen in frail or older patients. Caecal volvulus is more rare and more commonly seen in younger patients (1)
Reference
- Griffiths S, Glancy DG. Intestinal obstruction. Intestinal Surg. 2020 Jan 1;38(1):43-50.
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