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KMID : 0364019950280010037
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Korean Journal of Thoracic and Cardiovascular Surgery
1995 Volume.28 No. 1 p.37 ~ p.41
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The Value of Mediastinoscopy in Preoperative Staging of Primary Lung Cancer
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Abstract
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To determine the role of mediastinoscopy in the preoperative staging of the primary lung cancer, we studied 23 patients from January 1993 to December 1993 and compared the results of mediastinoscopy and computed tomographic scanning with the
findings at
thoracotomy. Mediastinoscopy was performed in 14 patients when they had larger than 10mm mediastinal nodes at computed tomographic scanning. Six of them were found to have metastatic nodes. Nine patients, who had negative computed tomographic
scanning
and negative mediastinoscopic results, underwent thoracotomy. One of them was found to have a metastatic mediastinal lymph node. When results from both series of patients were compared, the sensitivity and specificity of computed tomographic
scanning
showed 83.3% and 47.1% respectively with and accuracy of 56.5%. The results of mediastinoscopy showed that the sensitivity was 85.7%, the specificity was 100% and the accuracy was 95.7%. Because of the low accuracy rate of computed tomographic
scanning,
a more routine use of mediastinoscopy seems to be justified.
(Korean J Thoracic Cardiovas Surg 1995;28:37-41)
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