The mediastinum in non-small cell lung cancer: CT-surgical correlation

作者: GM Glazer , MB Orringer , BH Gross , LE Quint

DOI: 10.2214/AJR.142.6.1101

关键词:

摘要: Computed tomography was used to evaluate the mediastinum preoperatively in 60 patients with non-small cell lung cancer; 49 of these had thorough surgical-pathologic determination mediastinal node status. Mediastinal lymph nodes were located by CT using node-mapping scheme suggested American Thoracic Society and considered abnormal when larger than 100 mm2 cross-sectional area. The sensitivity 95% detecting malignant adenopathy; however, specificity only 64%. Receiver operating characteristic (ROC) curve analysis showed that optimal size criterion for diagnosing adenopathy is 1.0-1.5 cm short axis a measured. staging cancer clinically useful; negative makes mediastinoscopy unnecessary, whereas positive should lead biopsy enlarged node.

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