Tislelizumab-related enteritis successfully treated with adalimumab: A case report

Figure 3 Pathological sections were examined by colonoscopy. Intestinal mucosal pathological examination revealed chronic inflammation of the mucosa (ileum, ascending colon, and descending colon) with moderate dysplasia of the glandular epithelium, and chronic inflammation of the mucosa (transverse colon and rectum) with moderate-severe dysplasia of the glandular epithelium. A: For the ileocecal junction on day 20; B: For the descending colon on day 20, mucosal epithelial sloughing erosion were not significant compared with the previous colonoscopy, but were still accompanied by moderate atypia and crypt abscess; C: For the ileocecal junction on day 64; D: For the descending colon on day 64.