case_images: PMC10404836_01
case_images: The duodenal biopsy shows normal villous architecture (a) and a closer look at slightly higher magnification shows increased intraepithelial lymphocytes (b) that were formally counted and showed a peak count of 35 per 100 epithelial cells. The differential diagnosis includes celiac diseases versus its many mimics on histology. The final diagnosis in this case was immunotherapy associated enteritis
case_images: GHFBB-16-240-g001.jpg
case_images: PMC10404836_01_GHFBB-16-240-g001.jpg
case_images: F1
case_images: Peak IEL count was 35 per 100 epithelial cells (Figure 1a-b).