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目的 探讨６７Ｇａ－枸橼酸盐在肺癌诊断中的应用价值。方法 对１８４ 例住院病人进行了６７Ｇａ的胸部显像。病人均经穿刺活组织检查，手术切除或其他方法获得病理结果，其中肺癌１２７例，良性病变５７ 例。结果 在１２７ 例肺癌中，６７Ｇａ显像阳性１０１ 例，显像阴性２６ 例；５７ 例良性病人中，阳性１２ 例，阴性４５ 例。６７ Ｇａ在肺癌诊断中的显像灵敏度、特异性和准确率分别为７９．５％ 、７８．９％ 和７９．３％ 。阳性预测率８９．４％ ，阴性预测率６３．３％ 。其灵敏度与肿瘤类型及肿块大小有关。结论 ６７Ｇａ——枸橼酸盐在用于肺部疾病，尤其在肺癌诊断中具有较好的应用价值。
Objective To investigate the application value of 67Ga-citrate in the diagnosis of lung cancer. Methods A total of 184 inpatients underwent 67Ga chest imaging. All patients underwent biopsy, surgical resection or other methods to obtain pathological results, including 127 cases of lung cancer and 57 cases of benign lesions. Results In 127 cases of lung cancer, there were 101 positive cases of 67Ga imaging and 26 cases of negative images. In 57 cases of benign patients, 12 cases were positive and 45 cases were negative. The diagnostic sensitivity, specificity and accuracy of 67Ga in the diagnosis of lung cancer were 79.5%, 78.9% and 79.3%, respectively. The positive predictive rate was 89.4% and the negative predictive rate was 63.3%. Its sensitivity is related to the type of tumor and the size of the tumor. Conclusion 67Ga-citrate has a good application value in the diagnosis of lung diseases, especially in the diagnosis of lung cancer.