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[Autoimmunological pulmonary alveolar proteinosis--case report]
Anna Stokłosa1, Elżbieta Radzikowska, Inga Barańska
1II Klinika Chorób Płuc, Instytut Gruźlicy i Chorób Płuc w Warszawie, ul. Płocka 26, 01-138 Warszawa. a.stoklosa@igichp.edu.pl
Pneumonologia I Alergologia Polska
|December 22, 2011
Summary
Autoimmunological pulmonary alveolar proteinosis (APAP) is a rare lung disease. Diagnosis requires lung biopsy and anti-GM-CSF antibody testing, especially when symptoms persist.
Area of Science:
- Pulmonology
- Immunology
- Radiology
Background:
- Autoimmunological pulmonary alveolar proteinosis (APAP) is a rare interstitial lung disease characterized by abnormal surfactant homeostasis.
- It typically affects individuals in their third or fourth decade, presenting with dyspnea and cough.
Observation:
- A case study of a 37-year-old woman with patchy consolidations on chest radiograph and high-resolution computed tomography (HRCT) findings suggestive of hypersensitivity pneumonitis is presented.
- Initial symptoms were mild, with no specific treatment initiated.
- Two-year follow-up revealed non-resolving pulmonary changes, prompting an open lung biopsy.
Findings:
- Histological examination of lung biopsy samples confirmed the diagnosis.
- The presence of anti-GM-CSF antibodies was crucial in establishing the diagnosis of autoimmunological pulmonary alveolar proteinosis.
Implications:
- This case highlights the importance of considering APAP in persistent, unexplained pulmonary changes.
- Diagnostic confirmation relies on a combination of imaging, histology, and specific autoantibody testing.
- Early and accurate diagnosis is essential for appropriate management, potentially avoiding invasive procedures if milder treatments suffice.
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