我们对30例大肠癌患者手术前后三个不同时间内血浆中内皮素(ET-1)水平变化进行检测分析,结果如下。 对象和方法 一、对象: (一)大肠癌病人:均为我院住院病人,共30例(男24例,女6例),年龄31～71岁,平均53.1岁。术前均经电子纤维肠镜取病理诊断证实。大肠癌包括结肠癌13例,直肠癌17例。 (二)对照组:取20例大肠良性疾病患者设为对照,均为男性,年龄12～74岁,平均49.5岁,大肠息肉 We detected and analyzed plasma endothelin (ET-1) levels in 30 patients with colorectal cancer at the three different times before and after surgery. The results are as follows. Subjects and methods 1. Subjects: (1) Patients with colorectal cancer: All patients were hospitalized in our hospital. There were 30 patients (24 males and 6 females) aged 31-71 years, with an average of 53.1 years. Preoperative electron microscopic enteroscopy was used to confirm pathological diagnosis. Colorectal cancer included 13 cases of colon cancer and 17 cases of rectal cancer. (B) Control group: 20 patients with benign colon disease were selected as controls, all male, aged 12 to 74 years old, average 49.5 years old, colorectal polyps