Fig. 2
From: Budesonide treatment for microscopic colitis from immune checkpoint inhibitors
Endoscopic and histologic appearance of CPI microscopic colitis. a endoscopic image and H&E slide (b) from a patient with Mayo Endoscopic Score 0 microscopic colitis arising while on adjuvant nivolumab for stage III melanoma; (b) Lymphocytic-pattern colitis. Note the intact crypt architecture and increased intraepithelial lymphocytes (arrow). (c) endoscopic image and H&E slide (d) from a patient with Mayo Endoscopic Score 3 colitis arising while on adjuvant nivolumab for stage III melanoma; (d) Acute self-limiting pattern injury. Note the intact crypt architecture and crypt abscesses (arrow)