COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report

Background: Pulmonary alveolar proteinosis (PAP) is a rare lung disease that mainly presents with dyspnea. PAP diagnosis can be easily missed in the background of a coronavirus disease 2019 (COVID-19) infection, due to the similarity of their presentation and radiological findings. We present a case...

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Main Authors: Ahmad Basim Melhem, Abdelsamea Mohammed Seif, Omar Husni Omar, Samir Al Bashir, Shaher M. Samrah
Format: Article
Language:English
Published: Elsevier 2023-07-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844023053070
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author Ahmad Basim Melhem
Abdelsamea Mohammed Seif
Omar Husni Omar
Samir Al Bashir
Shaher M. Samrah
author_facet Ahmad Basim Melhem
Abdelsamea Mohammed Seif
Omar Husni Omar
Samir Al Bashir
Shaher M. Samrah
author_sort Ahmad Basim Melhem
collection DOAJ
description Background: Pulmonary alveolar proteinosis (PAP) is a rare lung disease that mainly presents with dyspnea. PAP diagnosis can be easily missed in the background of a coronavirus disease 2019 (COVID-19) infection, due to the similarity of their presentation and radiological findings. We present a case report of a post-COVID-19 patient, who later developed severe PAP. Case presentation: A 55-year-old male patient presented to the emergency department with progressive exertional dyspnea and hypoxia following a COVID-19 infection. Chest X-ray showed severe bilateral infiltrates. Patient received multiple courses of broad-spectrum antibiotics and prolonged course of corticosteroids without improvement. “Crazy paving” appearance in a follow up chest computed tomography raised the suspicion of PAP of what was initially thought to be a post-COVID-19 syndrome presentation. A diagnostic segmental bronchioalveolar lavage with a lung biopsy revealed a proteinaceous material filling the alveoli, with a positive periodic acid–Schiff (PAS) stain. Due to severe hypoxia, therapeutic segmental followed by whole lung lavage was performed with significant improvement. Conclusion: Diagnosing PAP is challenging due to the rarity of the disease. An accurate diagnosis of PAP requires a combination of medical history, imaging, and bronchoalveolar lavage staining positive for PAS. Decision whether to treat with a segmental or whole lung lavage is individualized to each patient. Further studies are needed to confirm whether COVID-19 or long-term use of steroids might be contributing to PAP.
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spelling doaj.art-55f04e276b8a4fdb8a5ab5b963f19b412023-07-27T05:58:32ZengElsevierHeliyon2405-84402023-07-0197e18099COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case reportAhmad Basim Melhem0Abdelsamea Mohammed Seif1Omar Husni Omar2Samir Al Bashir3Shaher M. Samrah4Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, PO Box: 630001, Irbid, 22110, JordanDepartment of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, PO Box: 630001, Irbid, 22110, JordanDepartment of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, PO Box: 630001, Irbid, 22110, JordanDepartment of Pathology and Microbiology, Faculty of Medicine, Jordan University of Science and Technology, PO Box: 630001, Irbid, 22110, JordanDepartment of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, PO Box: 630001, Irbid, 22110, Jordan; Corresponding author.Background: Pulmonary alveolar proteinosis (PAP) is a rare lung disease that mainly presents with dyspnea. PAP diagnosis can be easily missed in the background of a coronavirus disease 2019 (COVID-19) infection, due to the similarity of their presentation and radiological findings. We present a case report of a post-COVID-19 patient, who later developed severe PAP. Case presentation: A 55-year-old male patient presented to the emergency department with progressive exertional dyspnea and hypoxia following a COVID-19 infection. Chest X-ray showed severe bilateral infiltrates. Patient received multiple courses of broad-spectrum antibiotics and prolonged course of corticosteroids without improvement. “Crazy paving” appearance in a follow up chest computed tomography raised the suspicion of PAP of what was initially thought to be a post-COVID-19 syndrome presentation. A diagnostic segmental bronchioalveolar lavage with a lung biopsy revealed a proteinaceous material filling the alveoli, with a positive periodic acid–Schiff (PAS) stain. Due to severe hypoxia, therapeutic segmental followed by whole lung lavage was performed with significant improvement. Conclusion: Diagnosing PAP is challenging due to the rarity of the disease. An accurate diagnosis of PAP requires a combination of medical history, imaging, and bronchoalveolar lavage staining positive for PAS. Decision whether to treat with a segmental or whole lung lavage is individualized to each patient. Further studies are needed to confirm whether COVID-19 or long-term use of steroids might be contributing to PAP.http://www.sciencedirect.com/science/article/pii/S2405844023053070Pulmonary alveolar proteinosisCOVID-19Bronchioalveolar lavage
spellingShingle Ahmad Basim Melhem
Abdelsamea Mohammed Seif
Omar Husni Omar
Samir Al Bashir
Shaher M. Samrah
COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
Heliyon
Pulmonary alveolar proteinosis
COVID-19
Bronchioalveolar lavage
title COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
title_full COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
title_fullStr COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
title_full_unstemmed COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
title_short COVID-19 and severe pulmonary alveolar proteinosis (PAP): A case report
title_sort covid 19 and severe pulmonary alveolar proteinosis pap a case report
topic Pulmonary alveolar proteinosis
COVID-19
Bronchioalveolar lavage
url http://www.sciencedirect.com/science/article/pii/S2405844023053070
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