Fig. 19From: Central airway pathology: clinic features, CT findings with pathologic and virtual endoscopy correlationTracheal sarcoidosis in a 59-year-old female with a history of pulmonary sarcoidosis. (i) Axial MDCT scan shows diffuse and irregular trachea. (ii) Virtual bronchoscopy and (iii) direct bronchoscopy have excellent correlation. (iv) Photomicrograph (original magnification, ×2; haematoxylin-eosin stain) shows small epithelioid granulomas without necrosisBack to article page