Research Paper Volume 12, Issue 24 pp 24709—24720

Post-transplant colitis after kidney transplantation: clinical, endoscopic and histological features

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Figure 5. Crohn-like colitis. Histological features. (A) Irregular, severe eosinophils, neutrophils and plasma cells infiltrate in the submucosal layer (arrow). (B) Proliferation index Ki67 in the crypt, without apoptosis. Elevated Ki67 suggests regenerative activity as a consequence of crypt injury (cryptitis).