Fig. 1
From: Paraduodenal hernia complicated with intussusception: case report
The patient showed typical target-ring signs (white arrow) with part of the jejunum enclosed with the horizontal segment of the duodenum (a). Aberrant condensation was noticed in the small intestine in the left upper abdomen. The upper segment enclosed with the jejunum paraduodenal recess, which was represented by sac structures (white arrow, b). c, d Coronal and sagittal findings of CT