Regarding abdominal cocoon all statements are true except:

Idiopathic Sclerosing Encapsulating peritonitis(Abdominal Cocoon) It is a rare condition of unknown cause in which intestinal obstruction results from the encasement of variable lengths of bowel by a dense fibrocollagenous membrane that gives the appearance of a cocoon Causes of Cocoon Previous abdominal surgery or peritonitis Chronic ambulatory peritoneal dialysis (CAPD) Prolonged use of beta-blocker propanalol Use of povidone iodine for abdominal wash out Placement of Lee Veen shunt for refractory ascites SLE Clinical Features: Occurence of intestinal obstruction in a relatively young girl without an obvious cause History of similar episodes that resolved spontaneously Abdominal pain and vomiting Presence of a non tender soft mass on abdominal palpation Features of increasing abdominal distension, jaundice and features suggestive of Liver Pathology Diagnosis: Barium meal follow through : Serpentine configuration of small bowel CT scan is helpful Treatment: Laparotomy with removal of the membrane, after which recovery is usually complete Ref: www.emedicine_hlml/cocoon