A 20 days old child presented with features of acute intestinal obstruction. On exploration, mesodiverticular band was found causing distal ileal obstruction, along with a gangrenous Meckel's diverticulum. The mesodiverticular band is an embryologic remnant of the vitelline circulation which carries the arterial supply to the Meckel's diverticulum. In the event of an error of involution, a patent or nonpatent arterial band persists and extends from the mesentery to the apex of the antimesenteric diverticulum. This creates a snare-like opening through which bowel loops may herinate and become obstructed. The band was divided, the segment of ileum along with the gangrenous Meckel's diverticulum was resected and double barrel ileostomy was made.
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