ileosigmoid knotting (isk), also known as compound volvulus or double volvulus, is a rare cause of intestinal obstruction. the incidence of isk is not well known, but it generally occurs in areas with a high incidence of sigmoid volvulus (sv). ileosigmoid knotting is predominately seen in males (80.2%) with a mean age of 40 years. in an ileosigmoid knot, closed proximal loops of the ileum becom...
