This webpage presents the anatomical structures found on abdominal X-ray.
1, 11th rib.
2, Vertebral body (TH 12).
3, Gas in stomach.
4, Gas in colon (splenic flexure).
5, Gas in transverse colon.
6, Gas in sigmoid.
7, Sacrum.
8, Sacroiliac joint.
9, Femoral head.
10, Gas in cecum
11, Iliac crest.
12, Gas in colon (hepatic flexure).
13, Psoas margin.