{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T22:20:03Z","timestamp":1770330003038,"version":"3.49.0"},"reference-count":37,"publisher":"The Korean Academy of Tuberculosis and Respiratory Diseases","issue":"2","license":[{"start":{"date-parts":[[2023,12,19]],"date-time":"2023-12-19T00:00:00Z","timestamp":1702944000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["e-trd.org"],"crossmark-restriction":true},"short-container-title":["Tuberc Respir Dis"],"published-print":{"date-parts":[[2024,4,1]]},"abstract":"<jats:p>Interstitial lung abnormalities (ILAs) are radiologic abnormalities found incidentally on chest computed tomography (CT) that can be show a wide range of diseases, from subclinical lung fibrosis to early pulmonary fibrosis including definitive usual interstitial pneumonia. To clear up confusion about ILA, the Fleischner society published a position paper on the definition, clinical symptoms, increased mortality, radiologic progression, and management of ILAs based on several Western cohorts and articles. Recently, studies on long-term outcome, risk factors, and quantification of ILA to address the confusion have been published in Asia. The incidence of ILA was 7% to 10% for Westerners, while the prevalence of ILA was about 4% for Asians. ILA is closely related to various respiratory symptoms or increased rate of treatment-related complication in lung cancer. There is little difference between Westerners and Asians regarding the clinical importance of ILA. Although the role of quantitative CT as a screening tool for ILA requires further validation and standardized imaging protocols, using a threshold of 5% in at least one zone demonstrated 67.6% sensitivity, 93.3% specificity, and 90.5% accuracy, and a 1.8% area threshold showed 100% sensitivity and 99% specificity in South Korea. Based on the position paper released by the Fleischner society, I would like to report how much ILA occurs in the Asian population, what the prognosis is, and review what management strategies should be pursued in the future.<\/jats:p>","DOI":"10.4046\/trd.2023.0117","type":"journal-article","created":{"date-parts":[[2023,12,19]],"date-time":"2023-12-19T05:09:42Z","timestamp":1702962582000},"page":"134-144","update-policy":"https:\/\/doi.org\/10.4046\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Interstitial Lung Abnormality in Asian Population"],"prefix":"10.4046","volume":"87","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1426-554X","authenticated-orcid":true,"given":"Gong 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