Duodenal mucosa showing mild infiltration by lymphocytes and plasma cells. Villi are intact and are negative for atrophy and ulceration. No evidence of specific granulomas. No evidence of malignancy.
Chronic diarrhea. Endoscopy revealed normal duodenum. Biopsy taken to rule out celiac disease.
Soft tissue fragments collectively measuring 0.8X0.7 cm, totally embedded.
Duodenal endoscopic biopsy: