[A case of pulmonary ossification]

A case of pulmonary osteogenesis in a 82 year old male is presented. The patient was treated for generalized atherosclerosis, chronic bronchitis, emphysema and obscure gastrointestinal bleeding. Osteogenesis was diagnosed during autopsy. The multiple lesions were not demonstrable by radiological methods. Microscopical examination showed in the osteogenetic lesions bone marrow formation.