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目的：采用９９ｍＴｃ－Ｃ５０进行放射免疫显像，以探讨诊断和鉴别诊断卵巢肿瘤的临床应用价值。资料与方法：６２例临床诊断为卵巢肿瘤的病人接受了检查，全部病例均经手术治疗，获得病理结果，分为恶性肿瘤１２例，良性肿瘤５０例。结果：９９ｍＴｃ－Ｃ５０ＲＩ检测卵巢恶性肿瘤的敏感性１００％，特异性８２％，准确性８５５％，假阳性率１８％，转移灶检出率８８６％。结论：该方法对卵巢肿瘤的定性诊断有一定临床意义，对转移灶的检出价值较大。
Objective: 99mTc-C50 radioimmunoimaging in order to explore the diagnosis and differential diagnosis of ovarian cancer clinical value. Materials and Methods: Sixty-two patients with clinically diagnosed ovarian tumors underwent surgery. All cases were surgically treated and pathological findings were obtained. There were 12 malignant tumors and 50 benign tumors. Results: The sensitivity, specificity and specificity of 99mTc-C50RI in detecting ovarian cancer were 100%, 82%, 85.5%, 18% and 88%, respectively. Conclusion: This method has some clinical significance for the qualitative diagnosis of ovarian tumors, and is of great value in the detection of metastases.