Tags: Disease.
An ileosigmoid knot is a form of volvulus in which ileum wraps around the base of the sigmoid and passes beneath itself forming a knot.The exact cause of this condition is not known. Patients usually present with clinical features of colonic obstruction. Vomoting abdominal distension abdominal pain blood stained stools are frequent symptoms. It is difficult to diagnose this condition before surgery. Raveenthiran described a triad which may be useful in preoperative diagnosis.