Intact colonic mucosa mildly infiltrated by lymphocytes and plasma cells. Mucigenic cells are intact and no evidence of crypt abscesses. No evidence of atypia or malignancy.
Chronic diarrhea. Colonscopy: normal mucosa with normal vascular pattern, biopsied to rule out microscopic colitis or IBD.
Soft tissue fragments collectively measured 1 cm, totally embedded in one cassette.
Colon, endoscopic biopsy: