The term volvulus is derived from the Latin word volve, which means to twist. A colonic volvulus occurs when a part of the colon twists on its mesentery, resulting in acute, subacute, or chronic colonic obstruction. Volvulus involving the sigmoid colon is the most common, occuring in 75% of cases. Sigmoid volvulus occurs when the last part of the large bowel just before the rectum (named for its “S” shape) twists on its self. It is common in elderly men
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