Presentation
Chronic abdominal pain.
Patient Data
Retromesenteric D3 segment of the duodenum is absent. Large bowel loops predominantly on the left side and small bowel loops predominantly on the right, compatible with intestinal malrotation.
Several cysts are seen at liver less than 26 mm. In addition, an 8 mm calcified focus is noted at segment IVb.
Several non-enhanced simple cortical cysts are seen at both kidneys, with maximum diameters of 28 mm.
The prostate gland is enlarged.
Degenerative changes as osteophytosis are seen at the lumbar spine.
Grade I spondylolisthesis of L5 on S1 is present. Additionally, mild anterior wedge compression is noted at L2 vertebral body.
Case Discussion
Intestinal malrotation is a congenital anatomical anomaly that results from an abnormal rotation of the gut as it returns to the abdominal cavity during embryogenesis.
Depending on the degree of malrotation, CT may show:
- absence of a retro-mesenteric (retro-peritoneal) D3 segment of the duodenum
- abnormal SMA (smaller and more circular)/SMV relationship
- large bowel predominantly on the left and small bowel predominantly on the right
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