- Etiology: abnormal rotation of the gut as it returns to the abdominal cavity during embryogenesis
- AXR: usually unremarkable
- US:reversal of normal relationship of superior mesenteric vein and superior mesenteric artery on axial images – super mesenteric vein is to the right of the superior mesenteric artery in the body, if the superior mesenteric vein is above or to the left of the superior mesenteric artery in the body should raise suspicion for malrotation being present
- UGI: duodenal-jejunal junction (ligament of Treitz) is where retroperitoneal duodenum comes out into peritoneum and it needs to be over left pedicle of spine or to left of spine and to be at level of duodenal bulb and failure to meet both of these criteria results in diagnosis of malrotation, small intestine in right side of abdomen and colon in left side of abdomen
- BE: abnormal position of cecum out of right lower quadrant either high in position in the right abdomen or anywhere on the left side of the abdomen should raise suspicion for malrotation being present
- Treatment: Ladd’s procedure
- Clinical: commonly seen in heterotaxy syndrome
Radiology Cases of Malrotation Without Midgut Volvulus



