{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T22:35:22Z","timestamp":1768689322787,"version":"3.49.0"},"reference-count":28,"publisher":"Korean Association of Internal Medicine","issue":"6","license":[{"start":{"date-parts":[[2021,7,15]],"date-time":"2021-07-15T00:00:00Z","timestamp":1626307200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["kjim.org"],"crossmark-restriction":true},"short-container-title":["Korean J Intern Med"],"published-print":{"date-parts":[[2021,11,1]]},"abstract":"<jats:p>Background\/Aims: We assessed the diagnostic yield of chest computed tomography (CT) as an initial diagnostic method for patients with a tuberculosis (TB) infection detected by mass screening in a country with an intermediate TB burden.Methods: A retrospective study was conducted on patients with TB infection detected by mass screening performed between January 2015 and March 2018. The patients were classified according to whether they had a chest X-ray (CXR) or CT scan as an initial diagnostic test to exclude active TB.Results: Of 542 patients with TB infection detected by mass screening, 222 and 320 were initially examined by CXR and CT, respectively; the two modalities showed no significant difference in rate of detection of patients with active TB (0.9% and 2.5%, respectively; &lt;i&gt;p&lt;\/i&gt; = 0.110). However, chest CT was associated with further invasive tests using bronchoscopy and respiratory specimens, and significantly increased the frequency of hospital visits.Conclusions: Chest CT was not supported as an initial diagnostic method to rule out active TB in patients with a TB infection detected by mass screening in a country with an intermediate TB burden.<\/jats:p>","DOI":"10.3904\/kjim.2020.282","type":"journal-article","created":{"date-parts":[[2020,11,5]],"date-time":"2020-11-05T07:20:42Z","timestamp":1604560842000},"page":"1410-1419","update-policy":"https:\/\/doi.org\/10.3904\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Chest computed tomography scan as an initial diagnostic method for tuberculosis infection detected by mass screening"],"prefix":"10.3904","volume":"36","author":[{"given":"Dong-Hyun","family":"Joo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun 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intra-thoracic tuberculosis: a critical review of literature from the pre-chemotherapy era","author":"Marais","year":"2004"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1148\/rg.253045115"},{"key":"ref26","first-page":"805","volume-title":"Pictorial essay: multinodular disease: a high-resolution CT scan diagnostic algorithm","author":"Raoof","year":"2006"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1378\/chest.10-1775"},{"key":"ref28","first-page":"928","volume-title":"Towards tuberculosis elimination: an action framework for low-incidence countries","author":"Lonnroth","year":"2015"}],"container-title":["The Korean Journal of Internal 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