case_images: PMC9035917_01
case_images: Simple radiography of the abdomen at patient admission to the Emergency Room shows air-fluid level and colonic dilatation in the standing (a) and lying down views (b).
case_images: crg-0016-0140-g01.jpg
case_images: PMC9035917_01_crg-0016-0140-g01.jpg
case_images: F1
case_images: Simple abdominal radiography showed an air-fluid level and dilatation of the colon loops (shown in Fig. 1a) computed tomography scan of the abdomen showed gaseous distension of the sigmoid, with parietal thickening of the left colon and proximal rectum (shown in Fig. 2).
case_images: Colonoscopy images show severe active UC with the presence of edema and fibrin-covered erosions in the transverse colon (a, b), sigmoid and descending (c), and deep ulcers in the rectum (d), consistent with Mayo 3 endoscopic score.
case_images: crg-0016-0140-g03.jpg
case_images: PMC9035917_01_crg-0016-0140-g03.jpg
case_images: F3
case_images: Colonoscopy showed severe UC with the presence of erosions and deep ulcers, consistent with the Mayo 3 endoscopic score (shown in Fig. 3).
case_images: Colonoscopy images show mild active UC with mucosal healing in the transverse colon (a, b), presence of edema, and mild erythema in the left colon (c, d), consistent with Mayo 1 endoscopic score.
case_images: crg-0016-0140-g04.jpg
case_images: PMC9035917_01_crg-0016-0140-g04.jpg
case_images: F4
case_images: The last colonoscopy performed in September 2020 showed mildly active UC, consistent with the Mayo 1 endoscopic score (shown in Fig. 4).