<prompt> True about mesenteric vein thrombosis ?Peritoneal signs are always presentInvariably involves long length of bowelI.V. Heparin is the treatment of choiceSurgery can lead to sho-bowel syndrome  <response>: Answer is d i.e. Surgery can lead to sho-bowel syndrome Peritoneal signs are present in less than half the cases. Any length of bowel may be involved depending on the level and extent of thrombosis. Resection of the nonble bowel along with its mesentry is the treatment of choice. Heparin is given in all cases and along with bowel rest and fluid resuscitation is sufficient in patients without bowel infarction, but I am not sure whether it should be termed tit of choice. 