Case #13

Case #11

• Frontal and left side down decubitus abdominal radiographs are presented. The bowel gas pattern is nonspecific with gas seen in a few loops of bowel in the left upper abdomen and a relative paucity of gas in the right hemiabdomen. Little change in bowel gas pattern and absence of pneumoperitoneum on the decubitus view.
• Spot sonographic images of the abdomen are presented. The first is a transverse view of the intussusception which demonstrates a “target (donut) sign” which is created by concentric hyper and hypoechoic bands formed by the alternating bowel wall layers- the mucosa, muscularis and submucosa. The second image is a longitudinal view which demonstrates peripheral thickened/edematous large bowel wall, central small bowel, and hyperechoic mesenteric fat. This appearance has also been referred to as the “pseudokidney sign.”
• Two frontal images from a fluoroscopic air enema are presented.  The initial image demonstrates abnormal soft tissue within the colon at the proximal transverse colon. The second images demonstrates successful reduction of the intussusception with air entering the terminal ileum.

• Ileocolic Intussusception