Search for: [Abstract = "d studies.The role of thoracic surgeon in diagnosis of sarcoidosis is limited to invasive diagnostic procedures in cases, which could not be diagnosed using minimally invasive procedures. Such patients usually undergo mediastinoscopy or, rarely, VATS \(in the stage III and IV of sarcoidosis\). Thanks to the introduction of endoscopic procedures and ultrasound\-guided biopsy, many patients may avoid surgery, i.e. mediastinoscopy.EBUS\-NA and EUS\-NA in the diagnostics of sarcoidosis were introduced in the Department of Thoracic Surgery of John Paul IInd Hospital in Cracow in 2008. Since then the number of surgeries \(mediastinoscopy and VATS\) in diagnostics of sarcoidosis decreased significantly. In order to compare methods used in diagnostics of sarcoidosis a prospective randomized study was designed. The aim of this thesis is a comparison of the standard endoscopic methods, such as EBB, TBLB and TBNA, with endosonographic methods\: EBUS\-NA and EUS\-NA. Diagnostic yield of both endosonographic methods in the diagnosis of sarcoidosis was also compared. Moreover, the role of TBNA in diagnosis of sarcoidosis was assessed as a technically easier and cheaper method, which is not widely used.39In the period from October 2009 to May 2012, 106 patients were enrolled in the study. In all patients standard endoscopic methods were used including TBNA, EBB and TBLB and subsequently, after randomiz"]

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