{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T19:43:55Z","timestamp":1769629435449,"version":"3.49.0"},"reference-count":21,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,7,6]],"date-time":"2021-07-06T00:00:00Z","timestamp":1625529600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Med Imag Rad Onc"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>A sabre\u2010sheath trachea is a highly specific sign for chronic obstructive pulmonary disease. It also correlates well with the degree of disease. We hypothesized that the term is vastly under\u2010utilized in radiologic reporting, despite its high diagnostic value.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We interrogated our multisite metropolitan\u2010wide radiology information system to find the number of CT reports containing the phrase \u2018sabre\u2010sheath trachea\u2019 and conceivable variants thereof, over the 10\u2009years to present. We compared this with the entire number of CT chest reports in the same time period in order to estimate the utilization of the sign.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results confirmed our hypothesis that the sign is rarely invoked, likely around 1 in 41 times relative to opportunity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This highly specific sign of chronic obstructive small airway disease should be reinforced in training and utilized by radiologists.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1754-9485.13281","type":"journal-article","created":{"date-parts":[[2021,7,6]],"date-time":"2021-07-06T08:35:38Z","timestamp":1625560538000},"page":"49-53","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Sabre\u2010sheath trachea: An underused diagnostic weapon in the thoracic armoury"],"prefix":"10.1111","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5286-4271","authenticated-orcid":false,"given":"Colm","family":"Brassil","sequence":"first","affiliation":[{"name":"Department of Medical Imaging Royal Perth Hospital Perth Western Australia Australia"},{"name":"ChestRad Perth Western Australia Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shrivuthsun","family":"Srigandan","sequence":"additional","affiliation":[{"name":"Department of Medical Imaging Royal Perth Hospital Perth Western Australia Australia"},{"name":"Department of Medical Imaging Perth Children's Hospital Perth Western Australia Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Conor P","family":"Murray","sequence":"additional","affiliation":[{"name":"ChestRad Perth Western Australia Australia"},{"name":"Department of Medical Imaging Perth Children's Hospital Perth Western Australia 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