{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T23:45:01Z","timestamp":1782603901150,"version":"3.54.5"},"reference-count":38,"publisher":"BMJ","issue":"6","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2020,5,21]]},"published-print":{"date-parts":[[2020,6]]},"abstract":"<jats:p>A 77-year-old man visited the hospital with a chronic cough persisting for 2.5 months accompanied with night sweats, weight loss (3.5\u2009kg) and elevated C-reactive protein level. Chest CT of the lung field was normal, but aortic wall thickening accompanied by a contrast effect was noted. Positron emission tomography\u2013CT (PET\u2013CT) showed that the aorta and subclavian artery were inflamed, suggesting large-vessel vasculitis. Ultrasonography showed thickening of the superficial temporal artery wall (macaroni sign). Biopsy revealed lymphocytic infiltration in the tunica media and foreign-body giant cell reaction with the elastic lamina, resulting in a diagnosis of giant cell arteritis (GCA). The cough was considered a symptom of GCA as it resolved following prednisolone administration. Cough may rarely be an initial GCA symptom. However, for chronic cough accompanied with elevated inflammatory findings but with a normal lung field, imaging studies such as PET\u2013CT are useful for the differential diagnosis.<\/jats:p>","DOI":"10.1136\/bcr-2020-234734","type":"journal-article","created":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T02:39:36Z","timestamp":1592793576000},"page":"e234734","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Giant cell arteritis manifested by chronic dry cough"],"prefix":"10.1136","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9466-2125","authenticated-orcid":false,"given":"Hiroshi","family":"Hori","sequence":"first","affiliation":[{"name":"Division of General Medicine, Department of Comprehensive Medicine 1, Saitama Medical Center, Jichi Medical University, Saitama, 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