[Idiopathic pulmonary hemosiderosis with dendriform pulmonary ossification].

Pulmonary ossification is a rare and usually asymptomatic finding reported as incidental in lung biopsies. Similarly, idiopathic pulmonary hemosiderosis is a rare cause of pulmonary infiltrates. We report the case of a 64-year old man with chronic respiratory symptoms in whom these two histopathological findings converged.