Pathology
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To determine the incidence of diffuse pulmonary ossification (DPO) and its subtypes at autopsy and correlation with clinical and histological features. ⋯ Diffuse pulmonary ossification is uncommon and rarely diagnosed during life, but can easily be identified when sectioning the lungs at autopsy. There is recent renewed interest in diagnosing and determining the significance of DPO using high resolution computed tomography and thoracoscopic biopsy.