Although rare, invasive amebiasis should be considered in the differential diagnosis of rectal disease suggesting carcinoma. In the case reported, rectal ameboma was responsible for the patient's rectal pain, hematochezia and weight loss.
尽管罕见，但在提示直肠癌的直肠疾病鉴别诊断中应考虑侵袭性阿米巴病。在报道的病例中，直肠阿米巴瘤是导致患者直肠疼痛、便血和体重减轻的原因。
