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Mediastinal or N2 disease is the most important factor in selecting the optimal treatment strategy in patients without distant metastasis.A direct surgical resection has not generally been accepted as a treatment modality in whom mediastinal nodal involvement is demonstrated.Patients with lung cancer can be diagnosed as clinical N2 disease based on CT and PET-CT characteristics of the mediastinum and the clinical presentation.Invasive diagnostic modalities used in the detection of N2 disease are:mediastinoscopy,endoesophageal ultrasound guided biopsy(EUS),transbronchial needle aspiration(TBNA),endobronchial ultrasound guided biopsy(EBUS),video-assisted thoracoscopic surgery(VATS),and mediastinotomy/extended mediastinoscopy.In this article,the author discusses about invasive and noninvasive techniques on the evaluation of mediastinal disease and presents his experience on this topic.
Mediastinal or N2 disease is the most important factor in selecting the optimal treatment strategy in patients without distant metastasis. A direct surgical resection has not generally accepted as a treatment modality in whom mediastinal nodal involvement is displayed. Patients with lung cancer can be diagnosed as clinical N2 disease based on CT and PET-CT characteristics of the mediastinum and the clinical presentation. Invasive diagnostic modalities used in the detection of N2 disease are: mediastinoscopy, endoesophageal ultrasound guided biopsy (EUS), transbronchial needle aspiration (TBNA), endobronchial ultrasound guided biopsy (EBUS), video-assisted thoracoscopic surgery (VATS), and mediastinotomy / extended mediastinoscopy.In this article, the author discusses about invasive and noninvasive techniques on the evaluation of mediastinal disease and presents his experience on this topic.