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. 2022 Oct 21;11:2022-6-3. doi: 10.7573/dic.2022-6-3

Figure 2. Colonic (A, B) and duodenal (C, D) histopathological findings in patient 2.

Figure 2

(A) H&E ×200. Colonic biopsy showing acute colitis with crypt abscess and mild chronic inflammation. (B) H&E ×400. Colonic biopsy showing prominent crypt cell apoptosis resembling acute graft versus host disease. (C) H&E ×100. Duodenal biopsy showing total villus atrophy with acute and chronic inflammation. (D) H&E ×200. Duodenal biopsy showing flat mucosa with cryptitis and mild chronic inflammation. Note absence of intraepithelial lymphocytes in the surface epithelium.