Snapshot quiz 16/11
Authors: Chitnis A, Sabri S, Dhebri A and Siddiqui K
A 55-year-old woman presented with a 1-day history of generalized abdominal pain, distension and vomiting.The X-ray showed a classical coffee bean sign, representative of acute large bowel obstruction secondary to sigmoidvolvulus (a). Flexible sigmoidoscopy revealed a large area of necrotic mucosa and a patch of viable mucosa (b). Followingdecompression and derotation, the patient was managed conservatively and recovered fully.