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KMID : 1001220150170010049
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Journal of the Korean Society of Digital Medical Imaging Technology
2015 Volume.17 No. 1 p.49 ~ p.56
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Dose Comparison Analysis of Temporal bone CT scan to conventional scan method during helical scan method
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Gang Su-Hong
Park Yong-Sung
Lee Lae-Gon
Hwang Sun-Kwang
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Abstract
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Temporal bone CT scan side skull fracture. In addition to the confirmation of the ossicles, such as fractures and dislocations, temporomandibular facial fractures, deformities surgery helps to establish a science plan. Cochlear implant surgery has been performed in the state before and after identifying purposes. Test methods are being implemented by the Conventional direct axial and Direct coronal scan, the basic method of Temporal bone CT. Helical scan is a fast Volumetric data obtained compared with the Conventional scan, the patient reduced the dose, and there are some advantages, such as reduced Beam hardening streak artifacts caused by dental fillings. This study is a comparative analysis by dose reduction for patients with a dose according to the conventional scan method and then effective from 2015 by helical scan method performed in 2014 through the retrospective survey, which was then optimized for the purpose of inspection.
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KEYWORD
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Temporal bone CT, Axial scan, Coronal scan, Helical scan, Conventional scan
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