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    The role of the tissue culture in granulomatous mediastinal clymphadenitis: Tuberculosis or not
    (Medical Association of Zenica-Doboj Canton, 2014) Sevinc, Serpil; Ors Kaya, Seyda; Unsal, Saban; Dereli, Sevket; Alar, Timucin; Can Ceylan, Kenan; Yucel, Nur
    Aim To evaluate the role of the tissue culture via mediastinoscopic biopsy in granulomatous mediastinal lymphadenitis. Methods The dossier data of 92 cases with mediastinal lymphadenitis showing granulomatous lymphadenitis features by cervical mediastinoscopy and whose clinical, radiological and bacteriological definitive diagnosis is tuberculosis and sarcoidosis were examined retrospectively. The rate of the positive tissue culture of mediastynoscopic biopsy in the diagnosis of granulomatous lymphadenitis was calculated. Results There were 65 (71%) females and 27 (29%) males. The mean age of the patients was 42.5 (range 15-75) years. Non necrotizing granulomatous lymphadenitis was detected in 58 (63 %) cases while necrotizing granulomatous lymphadenitis was seen in 34 (37%) cases. There were 29 cases diagnosed with tuberculosis. Acid resistant bacilli culture positive rate was 38% (in 11 cases). There were 21 (62%) cases of necrotizing granulomatous lymphadenitis and eight (14%) cases of non-necrotizing granulomatous lymphadenitis diagnosed with tuberculosis. Culture positivity was identified in two (25%) of eight cases whose differential diagnosis could not be made histopathologically as tuberculosis/sarcoidosis. Conclusions In addition to clinical, radiological and histopathological diagnosis, the study aims to highlight the importance of tissue culture in definitive diagnosis, especially undetermined incidents.