An 87-year-old Japanese male patient presented with abdominal distension and pain lasting for half a day. On physical examination, 2 distended ridges running parallel from upper right to lower left were seen in the abdomen (Figure, A). This pattern of distension looked like radiological “coffee bean sign.” The diagnosis of sigmoid volvulus was soon suspected, which was confirmed by abdominal computed tomography scan (Figure, B). Endoscopic reduction was performed, and the symptoms diminished.
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Published online: December 22, 2020
Conflict of Interest: The author has no conflicts of interest to declare.
Authorship: The author had access to the data and wrote the manuscript.
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