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KMID : 0191120200350450377
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Journal of Korean Medical Science
2020 Volume.35 No. 45 p.377 ~ p.377
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Comparison of Long Term Follow-up Chest CT Imaging in Adult and Pediatric Patients with Humidifier Disinfectant-related Lung Injury
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Lim So-Yeoun
Leem Jong-Han
Hong Young-Seoub
Kim Jung-Won
Park So-Young
Joh Joon-Sung
Kwon Woon-Jung
Kim Yang-Ho
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Abstract
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Background: To compare the chest computed tomography (CT) images of children and adults in families with clusters of humidifier disinfectant-related lung injury (HDLI) after cessation of exposure to humidifier disinfectant (HD).
Methods: We reviewed medical records of 19 families with 43 patients (21 adults, 22 children) among families, which had at least one adult and one child with HDLI. Each family was exposed to the same HD exposure environment.
Results: In adults, centrilobular nodules were predominant (95.2%) in chronic HDLI findings after cessation of exposure to HD, however, in children, normal pattern was most prevalent on chest CT (45.5%), followed by centrilobular nodule (36.4%), bizarre lung cysts (36.4%), and reticulation (13.6%).
Conclusion: Unlike the known chronic HDLI finding of adults, centrilobular nodules were only present in 36.4% of children. The frequency of bizarre lung cysts were significantly greater in children than that in adults after cessation of similar exposure to HD. Thus, bizarre lung cysts may be useful as another novel finding of chronic HDLI in children who have no history of pulmonary infection or other perinatal disorder such as hyaline membrane disease or other interstitial lung disease.
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KEYWORD
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Humidifier Disinfectant, Lung Injury, Computed Tomography, Lung Cyst, Sequele
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