USG intussusception

An ultrasound showing target sign which is a characteristic finding for intussusception on ultrasound, this ultrasound is for a 3 year old boy with intestinal intussusception. | By Frank Gaillard – http://radiopaedia.org/images/25743 and http://radiopaedia.org/uploads/radio/0002/5743/25743.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=9779116