this   condition,   one   bowel   loop   makes   a   knot   with   anadjacent   bowel   loop,   resulting   in   mechanical   obstructionand even gangrene of the bowel. We present a case of ayoung girl with ileo-ileal knotting resulting in a closed-loopobstruction and gangrene of the small bowel loop. This is adifficult condition to diagnose; a high index of suspicion andearly surgical intervention are essential to reduce morbidityand mortality.