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Sigmoid volvulus - UpToDate

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Sigmoid volvulus INTRODUCTION Volvulus refers to torsion of a segment of the alimentary tract, which often leads to bowel obstruction. The most common sites of volvulus are the sigmoid colon and cecum [1-4]. Volvulus of other portions of the alimentary tract, such as the stomach, gallbladder, small bowel, splenic flexure, and transverse colon, are rare. This topic will review the epidemiology, pathogenesis, clinical manifestations, diagnosis, and management of sigmoid volvulus. Cecal volvulus is discussed separately. (See "Cecal volvulus".) EPIDEMIOLOGY In the United States, sigmoid…

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