对296例患者作胃、肠镜检查时,取活体粘膜组织行病理检查和活组织癌胚抗原(CEA)含量测定,并将两者结果进行对照分析。一、资料与力法 296例患者均系本院内镜室检查病人。经病理检查诊断为腺癌者135例,其中胃癌97例,结肠癌31例。直肠癌7例;非恶性疾病者118例,其中慢性浅表性胃炎28例。慢性萎缩性胃炎17例,胃溃疡17例,慢性结肠炎38例,慢性直肠炎18例(不含溃疡性结肠炎及克隆病);异型增生者19例,其中胃粘膜异型增 In 296 patients with gastric and colonoscopy, biopsy specimens of living mucosa were collected for histopathological examination and CEA determination. The results of the two analyzes were compared. First, the data and method 296 patients were hospitalized in our hospital examination room. 135 cases were diagnosed as adenocarcinoma by pathological examination, including 97 cases of gastric cancer and 31 cases of colon cancer. 7 cases of rectal cancer; 118 cases of non-malignant diseases, including 28 cases of chronic superficial gastritis. 17 cases of chronic atrophic gastritis, 17 cases of gastric ulcer, 38 cases of chronic colitis, 18 cases of chronic proctitis (without ulcerative colitis and Crohn’s disease); 19 cases of dysplasia, including gastric dysplasia