Search for: [Abstract = "the diagnosis was confirmed in 80 patients \(80%\). After comparing EBB\+TBLB with each endosonographic method, a highly significant difference in sensitivity and accuracy was found in favour of endosonographic methods. The difference between accuracy and sensitivity of EBB\+TBLB\+TBNA and each endosonography method \(p = 0.0112 and 0.0134\) is statisti\-cally significant in favour of these latter ones. Comparison of both endosonographic methods proved higher sensitivity and accuracy of EUS\-NA, but the difference was not significant \(p = 0.0724 and 0.0810\). Thanks to additional biopsies 9 patients avoided invasive diagnostic procedures. None of the patients had tuberculosis confirmed in BACTEC of bronchial lavage and biopsy of lymph nodes.Conclusions\:1. The diagnostic sensitivity and accuracy of endosonographic methods \(EBUS\-NA and EUS\-NA\) are significantly higher in comparison with the standard endoscopic methods \(p < 0,01\).2. Endosonographic techniques seem to be methods of choice in patients suspected of having sarcoidosis in the stage I and II.3. The diagnostic sensitivity and accuracy of EUS\-NA is higher then EBUS\-NA but the difference is not statistically significant.4. Combination of standard endoscopic methods, especially TBNA and TBLB, increase the yield of confirmation of sarcoidosis."]

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