Simple Eosinophilic Pneumonia
Differential Diagnosis
| Simple Eosinophilic Pneumonia | Acute Eosinophilic Pneumonia | Chronic Eosinophilic Pneumonia |
|---|---|---|
| Asymptomatic to mild symptoms | Fulminant respiratory insufficiency | Chronic dyspnea, cough |
| Blood eosinophils mildly elevated | Blood eosinophils normal to mildly elevated | Blood eosinophils >1000/mm3 |
| No direct treatment required | Steroid responsive, no relapses | Steroid responsive, 50% relapse |
Known causes of eosinophilic pneumonia must be ruled out
- Drugs
- Check history
- Skin rash suggestive
- Organisms
- Check travel history
- Check stool ova and parasites
- Check serology for fungi and parasites
- Culture and stain lavage and biopsy specimens
- Allergic bronchopulmonary aspergillosis
- Bronchiolocentric
- May have necrotizing granulomatous bronchiolitis
- Mucus plugs common
- Culture, serology, biopsy identification
