Polypoid lesion formed of focally ulcertaed hyperplastic intact colonic glands with preserved mucigenic activity. Stroma is fibrotic and shows moderate chronic inflammatory reaction composed of lymphocytes and plasma cells. There is associated occasional viable and calcified bilharzial ova. No evidence of crypt abscesses. No evidence of atypia or malignancy.
Polypoidal hemorrhagic mass lesion at the rectosigmoid junction.
Soft tissue fragments collectively measured 1 cm, totally embedded.
Rectosigmoid polypoid mass, endoscopic biopsy: