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EBUS-TBNA는 원인을 모르는 림프절 종대의 진단과 전이성 악성 종양의 병기 결정에 유용한 최소 침습적인 종격동 림프절 조직 검사 방법이다. 저자들은 EBUS-TBNA를 통해 신세포암으로부터의 종격동 림프절 전이 환자를 진단한 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다.


Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a new method of sampling mediastinal lymph nodes to aid in diagnosing lymphadenopathy and in staging metastatic cancers. This paper describes a case of renal cell carcinoma with mediastinal and hilar lymph nodes metastasis that was diagnosed using EBUS-TBNA. A 17-year-old woman who had mediastinal lymphadenopathy and a right renal mass underwent imaging studies. The results of a first EBUS-TBNA suggested malignancy, but the type of tumor and exact site of the primary tumor were uncertain. Therefore, we repeated EBUS-TBNA with a lower pressure on the vacuum syringe. We successfully diagnosed the mediastinal lymph node metastasis from renal cell carcinoma.