BTS Clinical Statement on pulmonary sarcoidosis

often occurs along lymphatic tracks: thus, peribronchial tissue and interlobular septa are the most common sites of sarcoid lesions. Pleural disease is uncommon 5 but should be considered in the setting of a lymphocytic effusion with other pulmonary features of the disease. Rarely, sarcoidosis affects the upper airways, including the trachea and larynx. Severe lower airway inflammation can result in fibrotic stenosis and distortion. Pneumothoraces are a recognised complication of fibrocystic sarcoidosis. 7