Rectal mucosa showing focal superficial erosion with mild reduction in the number of mucigenic cells and moderate infiltration by lymphocytes, plasma cells and neutrophils. However, crypt abscesses are not identified. No evidence of atypical or malignant cells.
Endoscopic biopsy from rectum, ? ulcerative colitis.
Soft tissue fragments collectively measured 1 cm, totally embedded.
Rectum, colonoscopic biopsy: