Ileal mucosa showing focally ulcerated mucosa with related capillary proliferation and dense infiltration by neutrophils, plasma cells and lymphocytes. In non-ulcerated areas, villi are intact and are negative for atrophy. No evidence of specific granulomas. No evidence of malignancy.
Terminal ileal narrowing and a circumferential ulcer.
Soft tissue fragments collectively measured 0.7 cm, totally embedded.
Terminal ileum, biopsy: