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Canadian Journal of Respiratory, Critical Care, and Sleep Medicine
Revue canadienne des soins respiratoires et critiques et de la médecine du sommeil
Volume 6, 2022 - Issue 2
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Clinical Pathological Conference

Heterogeneous manifestation of pulmonary ossification in idiopathic pulmonary fibrosis

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Pages 121-125 | Published online: 04 Dec 2020
 

Abstract

Diffuse pulmonary ossification (DPO) is an uncommon pathological condition characterized by bone formation in the lung parenchyma. Historically, these findings have mostly been identified at the time of autopsy. With the increasing use of high-resolution computed tomography (HRCT) and surgical lung biopsy, DPO has been more frequently recognized. We describe two patients with concurrent diagnoses of idiopathic pulmonary fibrosis (IPF) and DPO with different clinical presentations, pathologic features and outcomes. DPO in IPF is a rare finding but may have significant implications in making a radiographic diagnosis and in the correct setting may obviate the need for a surgical lung biopsy.

RÉSUMÉ

L'ossification pulmonaire diffuse (OPD) est une pathologie rare caractérisée par la formation d'os dans le parenchyme pulmonaire. Historiquement, ces résultats ont principalement été identifiés au moment de l'autopsie. Avec l'utilisation croissante de la tomodensitométrie à haute résolution (TDM-HR) et de la biopsie pulmonaire chirurgicale, la DPO est plus fréquemment reconnue. Nous décrivons deux patients avec des diagnostics concomitants de fibrose pulmonaire idiopathique (FPI) et de DPO avec des présentations cliniques, des caractéristiques pathologiques et des résultats différents. Le DPO dans la FPI est rare, mais peut avoir des implications importantes dans l'établissement d'un diagnostic radiographique et, dans le cadre approprié, peut éviter la nécessité d'une biopsie chirurgicale du poumon.

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No financial disclosures or conflicts of interest to declare.

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