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用13种原发肿瘤的特异标志抗体,对147例脑转移性肿瘤进行标记,免疫组化技术(ABC法)测试结果显示:大多数脑转移性肿瘤来源于肺癌。来源于胃、肠的癌肿比乳癌、甲状腺癌和绒癌要多。这些抗体的总阳性率在88％以上。免疫组化法在寻找脑转移性肿瘤的原发灶、原发性和继发性脑瘤的鉴别诊断中,都是很有价值的。
147 cases of brain metastatic tumor were labeled with specific antibodies against 13 kinds of primary tumors. The results of immunohistochemistry (ABC method) showed that most brain metastases originated from lung cancer. From the stomach, intestine, cancer than breast cancer, thyroid cancer and choriocarcinoma and more. The total positive rate of these antibodies was above 88%. Immunohistochemistry in the search for brain metastases of primary tumor, primary and secondary brain tumors in the differential diagnosis, are of great value.