title: [A case of chronic pigeon breeder's disease accompanied with progressive pulmonary cysts and recurrent pneumothorax].
abstract: We followed up a case of chronic pigeon breeder's disease with progressive pulmonary cysts and recurrent pneumothorax. The patient was a 48-year-old man who started to breed pigeons 14 years ago. He was diagnosed 7 years ago as having hypersensitivity pneumonitis due to pigeons, but he refused to stay away from the birds until he experienced episodes of dyspnea on exertion 3 years ago. A chest CT scan showed multiple cysts and peribronchial fibrosis in both lungs. The pathological findings of video-assisted-tracheoscopic surgery showed a centribronchial granuloma with lymphocyte infiltrations. Tests for antibodies against pigeon extracts of droppings were positive. Even after steroid treatment and avoidance of pigeons 3 years ago, there have been progressive cysts and fibrosis in the lungs. Progressive pulmonary cysts with recurrent pneumothorax is a rare manifestation as a chronic pigeon breeder's disease.
authors.affiliation: Department of Respiratory Medicine, Saitama Cardiovascular and Respiratory Center, 1696 Itai, Konan, Ohsato, Saitama, Japan.
authors.forename: Kazuyoshi
authors.initials: K
authors.lastname: Kurashima
authors.forename: Noboru
authors.initials: N
authors.lastname: Takayanagi
authors.forename: Mikio
authors.initials: M
authors.lastname: Ubukata
authors.forename: Daido
authors.initials: D
authors.lastname: Tokunaga
authors.forename: Hidekazu
authors.initials: H
authors.lastname: Matsushima
authors.forename: Nagato
authors.initials: N
authors.lastname: Sato
authors.forename: Yuri
authors.initials: Y
authors.lastname: Maeno
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Yanagisawa
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Sugita
authors.forename: Kanazawa
authors.initials: K
authors.lastname: Minoru
authors.forename: Yoshinori
authors.initials: Y
authors.lastname: Kawabata
mesh_terms: D000818:Animals; D001716:Bird Fancier's Lung / Q000150:complications*; D001947:Breeding; D002908:Chronic Disease; D010856:Columbidae / Q000276:immunology*; D003560:Cysts / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008171:Lung Diseases / Q000209:etiology* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000209:etiology*; D011658:Pulmonary Fibrosis / Q000209:etiology / Q000473:pathology; D012008:Recurrence