PMC5555013_01
Axial contrast enhanced CT showing characteristic whirlpool sign. The structure between the two arrows shows whirlpool sign.
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fig1
On abdominal tomography "swirling appearance of structures around the superior mesenteric artery" was reported (Figure 1).
Retroperitoneal localized small intestines.
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fig2
In laparotomy, all small intestines from 80 cm proximal of the ileocecal valve were localized in retroperitoneal (Figure 2).
Opened peritoneal sheet.
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fig3
This peritoneum was opened, and the small intestines were observed (Figure 3).
Ladd's band. The structure between the two arrows shows Ladd's band.
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fig4
There were congenital (Ladd's) bands extending from the right colon to the duodenum, exerting partial pressure to the duodenum (Figure 4).
Ischemic small intestine segment.
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fig5
In further exploration, it was observed that an approximately 100 cm long small intestine segment was rotated around a band (Ladd) and ischemia was developed in this segment due to rotation of its mesentery (Figure 5).