Sarcoidosis is a granulomatous disorder of unknown aetiology affecting many systems, including the lungs and mediastinal lymph nodes. The usual manifestations of sarcoidosis on the chest radiograph are well known. Although the bronchial mucosa is often affected in sarcoidosis, endobronchial mass lesions are extremely rare.' Endobronchial lesions are most often due to bronchogenic carcinoma and less often to relatively benign causes such as bronchial adenoma, lipoma, broncholith, and tuberculosis.26 We report the first case of a distinct endobronchial mass lesion due to sarcoidosis that resolved with corticosteroid treatment.
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