Colonic 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.
Anemia, Endoscopy revealed: Congested mucosa with a superficial ulcer in the distal sigmoid colon.
Soft tissue fragments collectively measured 0.5 cm, totally embedded.
Distal sigmoid colon, endoscopic biopsy: