Vedolizumab in the treatment of immune checkpoint inhibitor-induced colitis: Two case reports

Figure 2 HE staining biopsy showed no atypia of intestinal mucosal glands but found slightly irregular crypt with branches, crypt inflammation and crypt abscess; infiltration of such inflammatory cells as interstitial neutrophils and plasma cells. A: Low power view 10 × cryptitis; B: Medium power view 20 × cryptitis; C: Low power view 10 × crypt abscess; D: Medium power view 20 × crypt abscess.