TY - GEN AU - Amgad Beshry Sidhom AU - Esmat Ali Abdelnabi , AU - Khaled Mahmoud Kamel , AU - Soliman Saba Soliman , TI - Value of endobronchial ultrasound guided transbronchial needle aspiration versus conventional transbronchial needle aspiration in the diagnosis of hilar shadows / PY - 2008/// CY - Cairo : PB - Amgad Beshry Sidhom , KW - Hilar lymph nodes KW - Patient KW - Transbronchial needle aspiration N1 - Thesis(M.Sc.) - Cairo University - Faculty of Medicine - Department of Chest diseases and Tuberculosis; Issued also as CD N2 - conventional radiographic tools such as chest C. T. scan and chest tomography frequently not that informative in the diagnosis of mediastinal and hilar lymph node lesions conventional TBNA and EBUS guided TBNA are two techniques that are developed to solve this problem ER -