title: [A case of acute eosinophilic pneumonia that developed after changing cigarette brands].
abstract: A 20-year-old man visited a clinic with high fever and a dyspnea. The chest X-ray film and CT showed multiple patchy ground glass opacities in all lung fields with thickened interlobular septa and bilateral pleural effusions. Examination of bronchoalveolar lavage fluid led to a diagnosis of acute eosinophilic pneumonia. The patient was a current smoker and he had changed the brand of cigarette he smoked from one with a filter to another brand without filter, one week before disease onset. His symptoms improved after the administration of methylprednisolone. This case suggested that the presence of a filter or a difference in ingredients, or both, between brands of cigarette might contribute to the development of acute eosinophilic pneumonia.
authors.affiliation: Department of Medicine and Therapeutics, Control and Prevention of Infectious Diseases (First Department of Internal Medicine), Faculty of Medicine, University of the Ryukyus.
authors.forename: Teruhito
authors.initials: T
authors.lastname: Uchihara
authors.forename: Shusaku
authors.initials: S
authors.lastname: Haranaga
authors.forename: Masato
authors.initials: M
authors.lastname: Azuma
authors.forename: Satomi
authors.initials: S
authors.lastname: Yara
authors.forename: Futoshi
authors.initials: F
authors.lastname: Higa
authors.forename: Masao
authors.initials: M
authors.lastname: Tateyama
authors.forename: Jiro
authors.initials: J
authors.lastname: Fujita
mesh_terms: D000208:Acute Disease; D000328:Adult; D006801:Humans; D008297:Male; D011657:Pulmonary Eosinophilia / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects; D014026:Nicotiana / Q000009:adverse effects*