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Acute eosinophilic pneumonia: a hypersensitivity phenomenon?
D B Badesch1, T E King, M I Schwarz
1Department of Medicine, University of Colorado Health Sciences Center, Denver.
The American Review of Respiratory Disease
|January 1, 1989
Summary
A young man experienced acute respiratory distress due to eosinophilic pneumonia, a rare acute presentation. Prompt corticosteroid treatment led to rapid improvement, highlighting hypersensitivity as a potential cause.
Area of Science:
- Pulmonology
- Critical Care Medicine
- Pathology
Background:
- Eosinophilic pneumonia is often characterized by a chronic clinical course.
- Identifying the specific etiology of eosinophilic pneumonia can be challenging.
Observation:
- A previously healthy young man presented with acute respiratory distress and bilateral infiltrates.
- Diagnosis was confirmed via bronchoalveolar lavage and lung biopsy, revealing high eosinophil counts.
Findings:
- The patient's acute presentation suggested a hypersensitivity reaction rather than an infectious cause.
- Rapid clinical improvement was observed following corticosteroid therapy.
Implications:
- This case expands the known clinical spectrum of eosinophilic pneumonia to include acute presentations.
- High bronchoalveolar lavage eosinophil counts are diagnostic of eosinophilic pneumonia but do not elucidate its underlying cause.