Sections from the perforated area show ulceration of small intestinal mucosa with related transmural infiltration by lymphocytes, plasma cells, macrophages, and neutrophils reaching to the serosal covering, with related vascular congestion. No evidence of specific granulomas. No evidence of malignancy.
Perforated viscus; perforated small intestine.
Small bowel biopsy: two soft tissue fragments collectively measured 1.2x0.8x0.5 cm, totally embedded.
Small intestinal biopsy: