pulmonary disorders
Chronic Eosinophilic Pneumonia
Introduction
Chronic eosinophilic pneumonia (CEP) is a disorder of unknown etiology characterized by an abnormal, chronic accumulation of eosinophils in the lung. (See also Overview of Eosinophilic Pulmonary Diseases .) Chronic eosinophilic pneumonia is not truly chronic; rather it is an acute or subacute illness that recurs (thus, a better name might be recurrent eosinophilic pneumonia). The prevalence and incidence of chronic eosinophilic pneumonia are unknown. Etiology is suspected to be an Overview of Allergic and Atopic Disorders . Most patients are nonsmokers. 