{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T10:09:22Z","timestamp":1753870162474,"version":"3.41.2"},"reference-count":5,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,11,20]],"date-time":"2020-11-20T00:00:00Z","timestamp":1605830400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Respirology Case Reports"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A 71\u2010year\u2010old non\u2010smoker woman was admitted to our hospital complaining of a six\u2010month history of dry cough. She had kept java sparrow for nine years and has been raising budgerigars for the previous eight months. High\u2010resolution computed tomography (HRCT) images of the chest revealed reticulonodular lesions predominantly in the bilateral upper lobes. Surgical lung biopsy specimens showed non\u2010caseous epithelioid cell granulomas in the alveolar spaces, including irregular and centrilobular fibrosis with pleuroparenchymal fibroelastosis. When she started using a duck feather duvet at home, she developed dyspnoea and chest HRCT abnormalities progressively deteriorated. The results of precipitation of antibodies against duck feather, java sparrow, and budgerigars dropping extracts were positive in sera. Consequently, the patient was diagnosed as having chronic bird fancier's lung with acute exacerbation caused by the use of a feather duvet. After combination treatments with corticosteroid and cyclosporine, her respiratory symptoms and reticulonodular shadow immediately improved.<\/jats:p>","DOI":"10.1002\/rcr2.693","type":"journal-article","created":{"date-parts":[[2020,11,20]],"date-time":"2020-11-20T23:03:09Z","timestamp":1605913389000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Acute exacerbation in chronic bird fancier's lung with pleuroparenchymal fibroelastosis"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3688-6782","authenticated-orcid":false,"given":"Keishi","family":"Sugino","sequence":"first","affiliation":[{"name":"Department of Respiratory Medicine Tsuboi Hospital  Koriyama City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hirotaka","family":"Ono","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Tsuboi Hospital  Koriyama City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natsumi","family":"Watanabe","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Tsuboi Hospital  Koriyama City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seiji","family":"Igarashi","sequence":"additional","affiliation":[{"name":"Department of Pathology Tsuboi Hospital  Koriyama City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akira","family":"Hebisawa","sequence":"additional","affiliation":[{"name":"Department of Histopathology Asahi General Hospital  Chiba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eiyasu","family":"Tsuboi","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Tsuboi Hospital  Koriyama City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,11,20]]},"reference":[{"key":"e_1_2_4_2_1","first-page":"510","article-title":"Bird antigen persistence in the home environment after removal of the bird","volume":"69","author":"Craig TJ","year":"1992","journal-title":"Ann. 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