Correct!
2. Eosinophilia

The differential diagnostic considerations for the imaging findings correlate based with the presence of peripheral eosinophilia. The other choices are certainly possible, but are non-specific in the context of the imaging findings.)
The complete blood count with differential revealed 8% eosinophilia, with an absolute eosinophil count of 1200/mm3.

What is the appropriate next step for the evaluation / management of this patient?

  1. Barium swallow to assess for possible gastroesophageal reflux
  2. Bronchoscopy with bronchoalveolar lavage
  3. Contrast-enhanced thoracic MRI to assess for vasculitis
  4. Presumptive antifungal therapy
  5. Sputum analysis for non-tuberculous mycobacteria

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