Pneumonia eosinofílica cr？nica

chronic eosinophilic pneumonia is a rare disease of unknown cause characterized by eosinophilic alveolar and interstitial infiltration. the authors describe the case of a 49-year-old caucasian woman, presenting dyspnea on minimum effort, with insidious beginning and progressive course in the last six months. the main findings were serum eosinophilia and in the sputum, chest radiographs showing multifocal infiltrations of irregular distribution in both lungs and a restrictive functional impairment. the patient was submitted to an open lung biopsy, which demonstrated a chronic eosinophilic pneumonia. there was a dramatic clinical, radiological, and functional response after corticosteroid therapy.