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Table 2 CT findings of 332 adult malrotation patients

From: CT facilitates improved diagnosis of adult intestinal malrotation: a 7-year retrospective study based on 332 cases

  Total (n = 332)
No. (%)
CT classification
Duodenal partial rotation
 DYJRCR 225 (67.8)
 DYJRCL 12 (3.6)
 DYJRCM 4 (1.2)
 DYJRCP 2 (0.6)
Duodenal nonrotation
 DNJRCR 63 (19.0)
 DNJRCL 15 (4.5)
 DNJRCP 5 (1.5)
Duodenal rotation
 DYJMCR 1 (0.3)
 DYJLCR 3 (0.9)
 DYJLCL 2 (0.6)
Position of SMA relative to SMV
 Left rear 165 (49.7)
 Left 73 (22.0)
 Left front 66 (19.9)
 Right rear 28 (8.4)
Whirlpool sign 11(3.3)
  1. SMA superior mesenteric artery, SMV superior mesenteric vein