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  • Title: [Evaluation of endobronchial ultrasound-guided transbronchial needle aspiration in the diagnosis of hilar and mediastinal masses of unknown etiologies].
    Author: Hu J, Su YH, Yin X, Hong QY, Li C, Ye MS, Li J, Hu Q, Shi Y, Bai CX, Zhang X.
    Journal: Zhonghua Yi Xue Za Zhi; 2012 Feb 28; 92(8):528-31. PubMed ID: 22490155.
    Abstract:
    OBJECTIVE: To explore the diagnostic values of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in the patients with hilar and mediastinal masses. METHODS: A total of 91 patients with mediastinal/hilar masses undergoing EBUS-TBNA in Zhongshan Hospital between September 2009 and March 2011 were retrospectively enrolled. Their unknown etiologies were difficult to be assessed by a traditional biopsy. The association of pathologic examinations and clinical data were analyzed. RESULTS: Among them, 61 patients had malignant lesions while 30 patients were diagnosed with benign diseases. In the cases with malignant lesions, the diagnostic sensitivity, specificity and accordance rate were 91.67%, 100% and 91.80% respectively. The diagnostic accordance rate of benign lesions was 60%. And 36.9% (24/65) of the samples were small-sized so as to improve the diagnostic accuracy. The combination of cytology and histology significantly increased the diagnostic accordance versus cytology alone in all cases (P < 0.01). But there was no statistically significant difference in the malignant lesion subgroup with a better tendency (P > 0.05). No severe complication occurred. CONCLUSION: With a high diagnostic accuracy and a low complication rate for the patients with hilar and mediastinal masses of unknown etiologies, EBUS-TBNA has different values for diagnosing malignant and benign lesions.
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