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KMID : 0438420140210010002
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Korean Journal of Bone Metabolism
2014 Volume.21 No. 1 p.2 ~ p.7
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Quality Control of DXA System and Precision Test of Radio-technologists
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Kim Ho-Sung
Yang Seoung-Oh
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Abstract
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The image quality management of bone mineral density (BMD) is the responsibility and duty of radio-technologists who carry out examinations. However, inaccurate conclusions due to the lack of understanding and ignorance regarding the methodology of image quality management can be a fatal error to patients. The accuracy and precision of BMD measurement must be maintained at the highest level so that actual biological changes can be detected with even slight changes in BMD. Accuracy and precision should be continuously preserved for image quality of machines. Those factors will contribute to ensure the reliability of BMD examination. The enforcement of proper quality control of radiologists performing BMD inspections which brings about the durability extensions of equipment and accurate results of calculations will help the assurance of reliable inspections.
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KEYWORD
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Bone density, Densitometry, Dual-energy X-ray absorptiometry, Precision, Quality control.
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