case_images: PMC5555013_01
case_images: Axial contrast enhanced CT showing characteristic whirlpool sign. The structure between the two arrows shows whirlpool sign.
case_images: CRIS2017-4809406.001.jpg
case_images: PMC5555013_01_CRIS2017-4809406.001.jpg
case_images: fig1
case_images: On abdominal tomography "swirling appearance of structures around the superior mesenteric artery" was reported (Figure 1).
case_images: Retroperitoneal localized small intestines.
case_images: CRIS2017-4809406.002.jpg
case_images: PMC5555013_01_CRIS2017-4809406.002.jpg
case_images: fig2
case_images: In laparotomy, all small intestines from 80 cm proximal of the ileocecal valve were localized in retroperitoneal (Figure 2).
case_images: Opened peritoneal sheet.
case_images: CRIS2017-4809406.003.jpg
case_images: PMC5555013_01_CRIS2017-4809406.003.jpg
case_images: fig3
case_images: This peritoneum was opened, and the small intestines were observed (Figure 3).
case_images: Ladd's band. The structure between the two arrows shows Ladd's band.
case_images: CRIS2017-4809406.004.jpg
case_images: PMC5555013_01_CRIS2017-4809406.004.jpg
case_images: fig4
case_images: There were congenital (Ladd's) bands extending from the right colon to the duodenum, exerting partial pressure to the duodenum (Figure 4).
case_images: Ischemic small intestine segment.
case_images: CRIS2017-4809406.005.jpg
case_images: PMC5555013_01_CRIS2017-4809406.005.jpg
case_images: fig5
case_images: 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).