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This case show cluster of collected small bowel loops in a strange way in the lower and upper abdomen, no history of renal disease or peritoneal dialysis and no past surgery and preoperatively diagnosed as internal hernia. The operative findings was thick fibrous membrane was enclosing many loops of small bowel and diagnosed as primary abdominal cocoon. Discussion: Sclerosing encapsulating peritonitis is a rare benign cause of acute or subacute small bowel obstruction. It is characterised by total or partial encasement of the small bowel within a thick fibrocollagenous membrane. CT: In the appropriate clinical setting, recognition of the entire dilated small bowel at the centre of the abdomen and encased within a thick fibrocollagenous membrane, as though it were in a cocoon, on a CT image is diagnostic of sclerosing encapsulating peritonitis. The other imaging findings may include signs of obstruction, fixation of intestinal loops, ascites or localised fluid collections, bowel wall thickening, peritoneal or mural calcification, and reactive adenopathy. From: radiopaedia.org
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