Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2011
Sensitivity of convex probe endobronchial sonographically guided transbronchial needle aspiration in the diagnosis of granulomatous mediastinal lymphadenitis.
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Çağlayan Benan, Salepçi Banu, Fidan Ali, Kiral Nesrin, Cömert Sevda Sener, Yavuzer Dilek, Demirhan Recep, Saraç Gülsen
Аннотация
OBJECTIVES: The purpose of this study was to investigate the sensitivity and diagnostic value of convex probe endobronchial sonographically guided transbronchial needle aspiration (EBUS-TBNA) in the diagnosis of granulomatous mediastinal lymphadenitis.
METHODS: Patients clinically and radiologically suspected to have granulomatous mediastinal disease and followed in our clinic between October 2008 and July 2010 were included. Convex probe EBUS with local anesthesia and under conscious sedation and EBUS-TBNA from hilar and mediastinal lymph nodes were performed after physical examination, chest radiography, computed tomography of the thorax, and routine biochemical analysis. Detection of noncaseating/caseating granulomas was accepted as sufficient for diagnosis of sarcoidosis/tuberculosis in the presence of clinical and radiologic findings. For patients whose EBUS-TBNA results were nondiagnostic, a definitive diagnosis was reached by invasive procedures. The sensitivity of EBUS-TBNA in the diagnosis of granulomatous lymphadenitis and diagnostic accuracy in granulomatous hilar/mediastinal lymphadenopathies was calculated.
RESULTS: Seventy-two patients were included in study (20 male and 52 female; mean age ± SD, 46.22 ± 13.94 years). In 72 cases, 121 lymph node aspirations were performed. The average lymph node short axis was 1.96 cm. With EBUS-TBNA among the 72 cases, 35 were diagnosed as sarcoidosis and 16 as tuberculous lymphadenitis. A definitive diagnosis could not be reached with EBUS-TBNA in 21 cases. As a result, 9 of these EBUS-TBNA-negative cases were diagnosed as reactive lymphadenitis, 9 as sarcoidosis, and 3 as tuberculosis by invasive procedures. The sensitivity values of EBUS-TBNA for diagnosis of sarcoidosis, tuberculosis, and granulomatous diseases were 79.5%, 84.2%, and 80.9%, respectively. The diagnostic accuracy of EBUS-TBNA for granulomatous diseases was 83.3%. No major complications occurred.
CONCLUSIONS: In the diagnosis of granulomatous lymphadenitis, EBUS-TBNA, with high sensitivity and a minimum complication rate, is an alternative to mediastinoscopy.
METHODS: Patients clinically and radiologically suspected to have granulomatous mediastinal disease and followed in our clinic between October 2008 and July 2010 were included. Convex probe EBUS with local anesthesia and under conscious sedation and EBUS-TBNA from hilar and mediastinal lymph nodes were performed after physical examination, chest radiography, computed tomography of the thorax, and routine biochemical analysis. Detection of noncaseating/caseating granulomas was accepted as sufficient for diagnosis of sarcoidosis/tuberculosis in the presence of clinical and radiologic findings. For patients whose EBUS-TBNA results were nondiagnostic, a definitive diagnosis was reached by invasive procedures. The sensitivity of EBUS-TBNA in the diagnosis of granulomatous lymphadenitis and diagnostic accuracy in granulomatous hilar/mediastinal lymphadenopathies was calculated.
RESULTS: Seventy-two patients were included in study (20 male and 52 female; mean age ± SD, 46.22 ± 13.94 years). In 72 cases, 121 lymph node aspirations were performed. The average lymph node short axis was 1.96 cm. With EBUS-TBNA among the 72 cases, 35 were diagnosed as sarcoidosis and 16 as tuberculous lymphadenitis. A definitive diagnosis could not be reached with EBUS-TBNA in 21 cases. As a result, 9 of these EBUS-TBNA-negative cases were diagnosed as reactive lymphadenitis, 9 as sarcoidosis, and 3 as tuberculosis by invasive procedures. The sensitivity values of EBUS-TBNA for diagnosis of sarcoidosis, tuberculosis, and granulomatous diseases were 79.5%, 84.2%, and 80.9%, respectively. The diagnostic accuracy of EBUS-TBNA for granulomatous diseases was 83.3%. No major complications occurred.
CONCLUSIONS: In the diagnosis of granulomatous lymphadenitis, EBUS-TBNA, with high sensitivity and a minimum complication rate, is an alternative to mediastinoscopy.