我们使用CA15-3放免分析试剂盒测定了正常人、乳腺良性疾病及乳腺癌病人血清CA15-3水平，探讨CA15-3对乳腺癌诊断及监测的实用价值。1材料和方法1．1临床资料所有病人为1994年1月～1995年8月就诊患者，均为女性。其中乳腺癌76例（初诊65例、复发转移性乳腺癌11例），乳腺良性病 We used the CA15-3 radioimmunoassay kit to measure serum CA15-3 levels in normal subjects, benign breast disease and breast cancer patients, and to explore the practical value of CA15-3 in the diagnosis and monitoring of breast cancer. 1 Materials and methods 1.1 Clinical data All patients were diagnosed from January 1994 to August 1995 and all were female. 76 cases of breast cancer (65 cases of newly diagnosed, 11 cases of recurrent metastatic breast cancer), benign breast disease