Search for: [Abstract = "ation, 55 patients had EBUS\-NA and 51 had EUS\-NA.All patients with negative results of the standard procedures and EBUS\-NA underwent EUS\-NA \(8 patients\) and all \; patients with negative results of the standard procedures and EUS\-NA underwent EBUS\-NA \(8 patients\). After additional EUS\-NA 7 patients were diagnosed as having sarcoidosis, and after additional EBUS\-NA 2 patients were diagnosed as having sarcoidosis. 4 patients with negative endoscopic procedures underwent mediastinoscopy. 6 patients met exclusion criteria.100 patients were included into the analysis. In all patients cyto\-histopathological diagnosis of sarcoidosis was established. Using all minimally invasive methods \(EBB, TBLB, TBNA as well as EUS\-NA and EBUS\-NA\) the diagnosis was established in 96 patients \(96%\). Using standard endoscopic methods \(EBB, TBLB and TBNA\) the diagnosis was established in 64 patients \(64%\). Sensitivity and accuracy of standard endoscopic methods were both 64%. When analyzing each of the standard endoscopic methods separately, diagnosis was confirmed with EBB in 12 patients \(12%\), TBLB in 42 patients \(42%\), TBNA in 44 patients \(44%\). Using only EBB and TBLB the diagnosis was confirmed in 44 patients \(44%\). Additional use of TBNA increased sensitivity by 20%, which weighs in favour of performing TBNA in the early phase of diagnostics. Using only endosonographic methods \(EBUS\-NA and EUS\-NA\)"]

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