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  • Title: [Thoracoscopic surgery for pulmonary nodules in patients with previous malignant tumor].
    Author: Nakamura H, Taniguchi Y, Makihara K, Metsugi H, Ishiguro K, Ohgi S.
    Journal: Kyobu Geka; 2000 Jul; 53(7):571-5. PubMed ID: 10897570.
    Abstract:
    We evaluated the clinico-pathological characteristics of thirty-four cases with previous malignant tumor who was operated under thoracoscopy for pulmonary nodules. In twenty-three cases (67.6%), including 20 cases suspected metastatic pulmonary tumor before operation, thoracoscopic surgery was performed without doing the preoperative examinations for the definite diagnosis. The mean diameter of resected tumors was 13.5 mm and the definite diagnosis was determined in all cases by the intraoperative pathological diagnosis. There were 26(76.5%) cases of malignancy, including 20 cases(58.8%) of metastatic pulmonary tumor and 6 cases (17.7%) of primary lung cancer. Accuracy rate of predictive diagnosis before operation was 67.6%. From the analysis of difference between pre- and post-operative diagnoses, inflammatory nodules or tuberculoma in the solitary nodule and intrapulmonary lymph nodes or silicotic nodules in the multiple nodules should have been considered with more carefully attention. Univariate and multivariate analysis showed that patients with metastatic tumor previously was only a predictive factor for metastatic tumor. Age, gender, CT findings, the number of nodules, disease free interval and tumor markers were unreliable factors in this study. In conclusion, there were a lot of cases with previous malignant tumor in which thoracoscopic surgery could become a first choice of modalities for the diagnosis of pulmonary nodules. Early thoracoscopic procedure will be recommended for such patients to perform the immediate treatment.
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