原发于小肠的鳞状细胞癌较罕见,我们遇到一例报告如下. 患者,男57岁,于84年9月15日以“剧烈腹痛”急诊入院.诊断为“粘连性肠梗阻”立即手术,术中见距盲肠70cm处之回肠有一鹅旦大与周围组织无粘连的包块,较实,连同肿块切除肠管约60cm,在局部动脉分叉处切取一蚕豆大淋巴结。腹腔其它脏器均来发现肿块。过去史:近几年常有 Primary squamous cell carcinoma of the small intestine is rare. We have encountered a case report as follows. The patient, male, 57 years old, was admitted to the hospital on September 15th, 84 with “acute abdominal pain”. The diagnosis was “adhesive intestinal obstruction” and immediate surgery. The ileum 70cm away from the cecum was seen to have a mass of goose that was not adherent to the surrounding tissue. In fact, the bowel resection combined with the mass was about 60cm. A large lymph node of broad bean was cut at the local arterial bifurcation. Celiac viscera were found in other organs. Past history: often in recent years