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KMID : 0364920140390040206
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Journal of Radiation Protection and Research
2014 Volume.39 No. 4 p.206 ~ p.212
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Radiation Dose using Chest CT for Patients with Pneumoconiosis Complication - Comparison with International Guidelines
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Lee Won-Jeong
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Abstract
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We report here on the results of evaluating the radiation doses using chest computed tomography (CT) for patients with pneumoconiosis complication. For the first time, we visited the 17 MIPs to evaluate the dose-length product (DLP, mGy·cm), CT unit, and protocols of scanning and image reconstruction those is routinely used for treating patients with pneumoconiosis who have complication. All statistical analysis was performed using the Statistical Program for Social Sciences (SPSS ver. 19.0, Chicago, IL, USA). Mean of total DLP was 727.7 mGy·cm, ranging from 272.0 to 1228.7 mGy·cm. DLP from obtaining parenchymal lung images was significantly reduced than that from obtaining total lung images (555.9 vs. 707.2, p<0.001). Third quartile of total and pre-scanning DLP was 1036.1 and 504.1 mGy·cm, respectively. Chest CT radiation doses for patients with pneumoconiosis complication are similar with korean diagnostic reference level as well as international guidelines.
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KEYWORD
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Chest CT, Diagnostic reference level, Radiation doses, Patients with pneumoconiosis complication
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