Pulmonary Alveolar Proteinosis

Pulmonary alveolar proteinosis (PAP) is a disease of alveolar accumulation of phospholipoproteinaceous material that results in gas exchange impairment leading to dyspnea and alveolar infiltrates. There are three forms of PAP: congenital, acquired and idiopathic; of which the latter two are predomin...

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Main Authors: Sandeep M Patel, Hiroshi Sekiguchi, Jordan P Reynolds, Michael J Krowka
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Canadian Respiratory Journal
Online Access:http://dx.doi.org/10.1155/2012/841530
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author Sandeep M Patel
Hiroshi Sekiguchi
Jordan P Reynolds
Michael J Krowka
author_facet Sandeep M Patel
Hiroshi Sekiguchi
Jordan P Reynolds
Michael J Krowka
author_sort Sandeep M Patel
collection DOAJ
description Pulmonary alveolar proteinosis (PAP) is a disease of alveolar accumulation of phospholipoproteinaceous material that results in gas exchange impairment leading to dyspnea and alveolar infiltrates. There are three forms of PAP: congenital, acquired and idiopathic; of which the latter two are predominant in the adult population. Previous case studies have found that the acquired form can be secondary to various autoimmune, infectious, malignant and environmental etiologies. Recent advances in the understanding of the pathophysiology of PAP demonstrate that the idiopathic form is due to antigranulocyte macrophage-colony stimulating factor antibodies. Therapeutic targets that replace granulocyte macrophage colony stimulating factor or remove these antibodies are being actively developed. The current standard of care is to perform whole lung lavage on these patients to clear the alveolar space to help improve respiratory physiology. A case of PAP is reported, followed by a literature review on the diagnosis and management of this rare condition with the aim of increasing awareness among physicians when treating patients who present with alveolar infiltrates.
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spelling doaj-art-886f6fcd18074f698d10ac0a5a286a9c2025-02-03T06:46:17ZengWileyCanadian Respiratory Journal1198-22412012-01-0119424324510.1155/2012/841530Pulmonary Alveolar ProteinosisSandeep M Patel0Hiroshi Sekiguchi1Jordan P Reynolds2Michael J Krowka3Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USADivision of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, USADepartment of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USADivision of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, USAPulmonary alveolar proteinosis (PAP) is a disease of alveolar accumulation of phospholipoproteinaceous material that results in gas exchange impairment leading to dyspnea and alveolar infiltrates. There are three forms of PAP: congenital, acquired and idiopathic; of which the latter two are predominant in the adult population. Previous case studies have found that the acquired form can be secondary to various autoimmune, infectious, malignant and environmental etiologies. Recent advances in the understanding of the pathophysiology of PAP demonstrate that the idiopathic form is due to antigranulocyte macrophage-colony stimulating factor antibodies. Therapeutic targets that replace granulocyte macrophage colony stimulating factor or remove these antibodies are being actively developed. The current standard of care is to perform whole lung lavage on these patients to clear the alveolar space to help improve respiratory physiology. A case of PAP is reported, followed by a literature review on the diagnosis and management of this rare condition with the aim of increasing awareness among physicians when treating patients who present with alveolar infiltrates.http://dx.doi.org/10.1155/2012/841530
spellingShingle Sandeep M Patel
Hiroshi Sekiguchi
Jordan P Reynolds
Michael J Krowka
Pulmonary Alveolar Proteinosis
Canadian Respiratory Journal
title Pulmonary Alveolar Proteinosis
title_full Pulmonary Alveolar Proteinosis
title_fullStr Pulmonary Alveolar Proteinosis
title_full_unstemmed Pulmonary Alveolar Proteinosis
title_short Pulmonary Alveolar Proteinosis
title_sort pulmonary alveolar proteinosis
url http://dx.doi.org/10.1155/2012/841530
work_keys_str_mv AT sandeepmpatel pulmonaryalveolarproteinosis
AT hiroshisekiguchi pulmonaryalveolarproteinosis
AT jordanpreynolds pulmonaryalveolarproteinosis
AT michaeljkrowka pulmonaryalveolarproteinosis