原发性消化道肿瘤发病率低,由于早期症状无特异性,早期诊断率低,极易漏诊。本院2004年3月至2008年2月,诊治28例原发性消化道肿瘤,探讨其发病特点,发病机理诊断手段,提高对原发性消化道肿瘤的认识。1临床资料患者平均发病年龄57岁(45~65岁),男女之比1∶5·1,全部病例均经手术后 The incidence of primary gastrointestinal cancer is low, due to the early symptoms of non-specific, early diagnosis rate is low, easily missed diagnosis. Our hospital from March 2004 to February 2008, diagnosis and treatment of 28 cases of primary gastrointestinal cancer, to explore its characteristics of the onset, pathogenesis diagnostic tools to improve awareness of primary gastrointestinal tumors. 1 Clinical data The average age of onset of patients aged 57 years (45 to 65 years), male to female ratio of 1: 5.1, all cases were after surgery