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KMID : 1134220140340010020
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Hanyang Medical Reviews
2014 Volume.34 No. 1 p.20 ~ p.25
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The Role of EBUS-TBNA in the Diagnosis and Staging of Lung Cacer
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Um Sang-Won
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Abstract
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TBNA) has emerged as a new diagnostic modality that allows ultrasound-guided, real-time needle aspiration of mediastinal and hilar lymph nodes. Mediastinoscopy has been the reference standard for neoplastic staging in the mediastinum, but it is invasive and requires general anesthesia. Considering recent prospective studies and clinical guidelines, a needle technique such as EBUS-TBNA and endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) should be performed first for the mediastinal nodal staging of non-small lung cancer. Combining EBUS-TBNA and EUS-FNA will replace more invasive methods such as mediastinoscopy. CP-EBUS-TBNA can also be used for the restaging after neoadjuvant therapy, the diagnosis of recurrent lung cancer and central lung parenchymal lesion which abuts trachea or bronchi. In the era of personalized medicine, good-quality and sufficient tissues need to be obtained for the molecular testing and treatment guidance. EBUS-TBNA has the ability to obtain satisfactory material for the detection of EGFR mutation, KRAS mutation, and EML-ALK fusion gene.
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KEYWORD
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Endoscopic Ultrasound-Guided Fine Needle Aspiration, Lung Neoplasms, Mediastinum, Lymph node, Neoplasm Metastasis
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