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Figure 3c: CT scans in a 50-year old man with severe abdominal pain and no fever. (a) Transverse CT scan of upper abdomen obtained with intravenous and oral contrast agents shows multiple dilated loops of proximal small bowel. (b) Transverse CT scan in the pelvis shows decompressed loops (arrow) of distal small bowel. The caliber change indicates an SBO. (c) Transverse CT scan obtained at the level of pubic symphysis shows incarcerated small bowel in right inguinal hernia (arrow). (d) CT coronal reformation shows the incarcerated small-bowel loop (arrow) in the right groin. This is the level of the transition point, and all readers were confident of the diagnosis of SBO on both transverse and coronal scans.
