PMC7292370_01
White arrows indicate the closed sigmoid loop.
OAEM-12-155-g0001.jpg
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F0001
An erect abdominal x-ray revealed a dilated bowel (see Figure 1).
Gangrenous closed-loop sigmoid.
OAEM-12-155-g0002.jpg
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F0002
An exploratory laparotomy was performed and revealed the distal ileum knotted around the base of the sigmoid loop base (see Figures 2 and 3).
White arrows indicate ileum knot on sigmoid mesentery; blue arrow indicates gangrenous sigmoid.
OAEM-12-155-g0003.jpg
PMC7292370_01_OAEM-12-155-g0003.jpg
F0003
An exploratory laparotomy was performed and revealed the distal ileum knotted around the base of the sigmoid loop base (see Figures 2 and 3).