Diffuse pulmonary ossification
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Diffuse pulmonary ossification (DPO) is a rarely diagnosed entity that may present with characteristic imaging features. It is listed in the differential diagnosis of lung parenchymal calcifications and should be considered by the radiologist if the appropriate findings are identified. We report a case of DPO secondary to mitral stenosis in a patient whose severe cardiac pathology lead to death few weeks after a chest CT was done. To date, there are no specific treatments with proved benefit in this pathology.

Case Report
A 87 year-old male was admitted to the emergency department of our hospital referring progressively increased dyspnea over the last two days, together with anorexia in the last months. He had a history of long known moderate to severe mitral stenosis, but due to his age was not considered for valvuloplasty. He was also a smoker (30 pack-year). The chest radiography done at arrival revealed the presence of bilateral micronodular opacities that were more prominent on the right lung, where they were associated with coarse calcifications. A chest CT was suggested to further characterize these findings.

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