1. Prospective study of endobronchial ultrasound–guided transbronchial needle aspiration of lymph nodes versus transbronchial lung biopsy of lung tissue for diagnosis of sarcoidosis 
Masahide Oki, MD, Hideo Saka, MD, Chiyoe Kitagawa, MD, Yoshihito Kogure, MD, Naohiko Murata, MD, Shu Ichihara, MD, Suzuko Moritani, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 143, Issue 6, Pages (June 2012)
DOI: /j.jtcvs
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Diagnostic flow chart. EBUS-TBNA, Endobronchial ultrasound–guided transbronchial needle aspiration; TBLB, transbronchial lung biopsy; IgG, immunoglobulin G.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Specimens obtained by endobronchial ultrasound–guided transbronchial needle aspiration in patients with sarcoidosis. A, Cytologic specimen showing nonnecrotizing epithelioid cell granuloma. (Papanicolaou stain, original magnification ×200.) B, Histologic specimen containing noncaseating epithelioid cell granulomas (hematoxylin and eosin stain, original magnification ×100).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions