A rare form of sarcoidosis: a case of bone sarcoidosis

Abstract
Sarcoidosis is an inflammatory disease which is characterized by chronic, systemic noncaseating granuloma formation. This disease generally affects the respiratory system. Bone lesions in sarcoidosis are developed in the cases with 3-13 percentage that generally asymptomatic. In this study we presented a patient of sarcoidosis that had been pulmoner symptoms a long time, and then diagnosed with excisional biopsy from her rib bone.