Fig. 14.

An 8-month-old boy baby with continuous crying is taken to the emergency department. Because of high suspicion of intussusception, a US exam is required. a Abdominal pear-shaped cystic lesion (star) in the left flank was found in a coronal US view. It shows a typical outer hypoechoic wall and inner hyperechoic layer, with hypoechoic content inside. b Doppler US showing light hyperaemia of the lesion wall that was also thickened. Surgical findings: complicated duplication cyst in the colonic splenic flexure