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KMID : 1151820200140070899
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Journal of the Korean Society of Radiology
2020 Volume.14 No. 7 p.899 ~ p.906
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A Study on the Usefulness of Copper Filter in Single X-ray Whole Spine Lateral using 3D Printer
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Kwon Kyung-Tae
Yoon Da-Yeon
Shin Rae-Un
Han Bong-Ju
Yoon Myeong-Seong
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Abstract
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The WSS lateral examination is important for diagnosing spinal disorders. Recently, long-length detectors for large-area diagnose have been popularized to effectively reduce the exposure dose and examination time. It can be applied very efficiently to examinations of patients with high risk of falls, children, and adolescents. However, since the image is acquired through a single irradiation, the volume of cervical vertebra is relatively smaller than the lumbar due to the geometrical anatomy of the spine. Therefore, this study intends to fabricate an additional filter using 3D printing technology and copper filament to obtain uniform image quality in the WSS lateral examination and to analyze the results. 3D printing technology is able to easily print a desired shape, so it is widely used in the entire industrial field, and recently, a copper filament has been developed to confirm the possibility as an additional filter. In the WSS lateral examination, CNR and SNR were excellently measured when the additional filter was applied, confirming the possibility of using the additional filter.
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KEYWORD
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WSS, Long Length Detector, 3D Printer, Copper filament, Additional filter, CNR, SNR
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