Correct!
3. Bronchoscopy with bronchoalveolar lavage

It is unclear how either a PET scan or a CT angiography would be helpful. Bronchoscopy with transbronchial biopsy is potentially dangerous because of the patient’s anticoagulant therapy. VATS biopsy seems over aggressive at this point.

Bronchoscopy with bronchoalveolar lavage (BAL) was performed and demonstrated normal anatomy and no endobronchial abnormalities. BAL showed 18% eosinophils cell differential. Smears, cultures and cytology were all negative.

Which of the following are associated with BAL eosinophilia?

1. Interstitial lung disease
2. Coccidioides infection
3. Drug-induced lung disease
4. Eosinophilic pneumonia
5. All of the above

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