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Acute eosinophilic pneumonia with fine nodular shadows
Koh Abe1, Shigehisa Yanagi, Yoshifumi Imadsu
1Third Department of Internal Medicine, Miyazaki Medical College, 5200 Kihara, Kiyotake, Miyazaki 889-1692.
Internal Medicine (Tokyo, Japan)
|February 14, 2003
Summary
Acute eosinophilic pneumonia (AEP) can present with localized lung shadows, not just diffuse ones. Early diagnosis is key, even with unusual imaging findings in this smoking-related lung condition.
Area of Science:
- Pulmonology
- Radiology
- Pathology
Background:
- Acute eosinophilic pneumonia (AEP) is a rare but serious lung condition.
- Smoking is an identified risk factor for AEP.
- Typical imaging findings can include diffuse infiltrates, but presentations vary.
Observation:
- A 19-year-old woman developed acute cough and dyspnea after starting smoking.
- Imaging revealed localized fine nodular shadows in the right lower lung.
- Bronchoalveolar lavage and biopsy showed significant eosinophil infiltration.
Findings:
- The patient was diagnosed with acute eosinophilic pneumonia (AEP).
- Localized nodular shadows on chest imaging can be an early sign of AEP.
- This presentation differs from commonly reported diffuse findings in AEP.
Implications:
- Radiologists and pulmonologists should consider AEP in patients with acute respiratory symptoms and localized lung shadows, especially in smokers.
- Early recognition of AEP, even with atypical imaging, is crucial for timely treatment.
- This case expands the understanding of imaging manifestations in acute eosinophilic pneumonia.