Criteria for Eosinophilic Pneumonia

Is the patient symptomatic with cough, fever and/or dyspnea?

Do imaging studies of the lung show peripheral infiltrates?

Does a biopsy show an eosinophilic infiltrate of the pulmonary interstitial tissue and alveolar spaces?

Does the patient have an organic disease associated with eosinophilia?

Is there an absolute eosinophilia in the peripheral blood?

Does a bronchoalveolar lavage show an eosinophilia?

Has the patient responded to therapy with corticosteroids?