title: [A case of humidifier lung associated with BHL].
abstract: We encountered a rare case of hypersensitivity pneumonitis associated with bilateral hilar lymphadenopathy (BHL). The patient was a 53-year-old male, who developed dry cough and shortness of breath when using a humidifier since 1982. He was admitted to our hospital for further evaluation in 1987. Chest X-ray films showed BHL and ground glass appearance in the bilateral lung fields. Pulmonary function test indicated disturbance of diffusing capacity. Transbronchial lung biopsy revealed interstitial pneumonitis, and lymph node biopsy by mediastinoscopy showed lymphoid sinus histiocytosis without noncaseating granuloma. Provocation test using the humidifier was positive, and the diagnosis of humidifier lung with BHL was made.
authors.affiliation: First Department of Internal Medicine, Asahikawa Medical College, Japan.
authors.forename: J
authors.initials: J
authors.lastname: Osaki
authors.forename: H
authors.initials: H
authors.lastname: Nakano
authors.forename: H
authors.initials: H
authors.lastname: Matsumoto
authors.forename: Y
authors.initials: Y
authors.lastname: Yamazaki
authors.forename: H
authors.initials: H
authors.lastname: Sakai
authors.forename: T
authors.initials: T
authors.lastname: Tsuji
authors.forename: Y
authors.initials: Y
authors.lastname: Osaki
authors.forename: T
authors.initials: T
authors.lastname: Fujikane
authors.forename: N
authors.initials: N
authors.lastname: Sasaki
authors.forename: S
authors.initials: S
authors.lastname: Onodera
mesh_terms: D000542:Alveolitis, Extrinsic Allergic / Q000150:complications*; D006801:Humans; D006813:Humidity; D008206:Lymphatic Diseases / Q000150:complications*; D008297:Male; D008875:Middle Aged