case_images: PMC11786064_01
case_images: A. Computed tomography (CT) scan of the patient at presentation, demonstrating the transition zone of the volvulated sigmoid segment with associated bowel dilatation. B. Topographic CT scan of the patient showing the characteristic coffee bean sign, indicating a distended and volvulated sigmoid colon.
case_images: gr1.jpg
case_images: PMC11786064_01_gr1.jpg
case_images: f0005
case_images: Based on the CT findings (Fig. 1) and the patient's symptoms, a diagnosis of sigmoid volvulus was made.
case_images: Shows intraoperative view of sigmoid colon cancer.
case_images: gr2.jpg
case_images: PMC11786064_01_gr2.jpg
case_images: f0010
case_images: After laparotomy, volvulus in the sigmoid colon and severe dilation of the proximal colon, along with obstruction at the distal end of the sigmoid colon caused by a large tumor, were observed (Fig. 2, Fig. 3).