Fig. 15.
A 14-month-old girl with acute gastroenteritis and continuous crying. a Abdominal US shows an intestinal intussusception with a cyst (C) as the leading cause. L liver, RK right kidney. b A detailed US view: the intussuscipiens (arrows) and intussuscepted bowel (arrowheads) with the cyst inside (C) and the hyperechoic and thickened walls. Surgical findings: ileal duplication cyst as the cause of the intussusception