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应用放射性核素肺断层显像预测肺切除术后的残留肺的肺功能状态．１４０例均经手术或病理证实，其中原发性肺癌１２７例，良性病变１１例和转移性肺癌２例．对８７例肺部手术病人的呼气容积预测值和手术后的实测值、４０例肺叶切除病人的手术前后Ｑ值进行了对比分析，均示显著相关，前者Ｐ＞０．０５，ｒ＝０．９９２５，后者Ｐ＞０．０５，ｒ＝０．８６５．文中描述了残留肺功能预测的公式推导和计算方法，并就断层显像方法学的优点和正确性，临床应用的可靠性以及预测呼气容量的手术临界值等问题进行了讨论．认为本方法为可靠和实用的无创性方法，有临床实用价值．
3. Radionuclide pulmonary tomography was used to predict the residual lung lung function after lung resection. 140 cases were confirmed by surgery or pathology, including 127 cases of primary lung cancer, 11 cases of benign lesions and metastatic lung cancer in 2 cases. The predictive value of expiratory volume in 87 patients with lung surgery and the measured value after surgery, and the Q value before and after surgery in 40 patients with lobectomy were compared and analyzed. All showed significant correlations. The former had P>0.05, and r=0. .9925, the latter P>0.05, r=0.865. This paper describes the formula derivation and calculation of residual lung function prediction, and discusses the advantages and correctness of the tomographic imaging methodology, the reliability of clinical applications, and the surgical critical value for predicting exhalation volume. This method is considered to be a reliable and practical non-invasive method, which has clinical practical value.