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Pulmonary infiltrates with eosinophilia.

??Abstract??Pulmonary Infiltrates with eosinophilia??clinically referred to as eosinophilic lung diseases (ELD)??are a heterogeneous group of disorders characterized by pulmonary infiltration associated with alveolar eosinophilia with or without peripheral eosinophilia.They are classified generally as primary ELD??secondary ELD??and other diseases occasionally associated with eosinophils.Clinical manifestation of these disorders can be varied??and their presentation can be mild or fatal.Accurate diagnosis is based on a full history and examination??along with clinical manifestations??radiological imaging and laboratory findings.Corticosteroids are the mainstay of treatment for ELD and most patients will require prolonged courses of daily steroids.The dose and use duration of corticosteroids should be individualized.