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http://dx.doi.org/10.7742/jksr.2013.7.1.037

Evaluation of Clinical Availability for Shoulder Forced Traction Method to Minimize the Beam Hardening Artifact in Cervical-spine Computed Tomography (CT)  

Kim, Moonjeung (Department of Radiological Science, Dongeui University)
Cho, Wonjin (Department of Radiological Science, Dongeui University)
Kang, Suyeon (Department of Radiological Science, Dongeui University)
Lee, Wonseok (Department of Radiological Science, Dongeui University)
Park, Jinwoo (Department of Radiological Science, Dongeui University)
Yu, Yunsik (Department of Radiological Science, Dongeui University)
Im, Inchul (Department of Radiological Science, Dongeui University)
Lee, Jaeseung (Department of Radiological Science, Dongeui University)
Kim, Hyeonjin (Department of Radiology, Good Samsun Hospital)
Kwak, Byungjoon (Department of Public Health, Daegu Hanny University)
Publication Information
Journal of the Korean Society of Radiology / v.7, no.1, 2013 , pp. 37-44 More about this Journal
Abstract
In study suggested clinical availability to shoulder forced traction method in term of quality of image, the patient's convenience and stability, according to whether to use of shoulder forced traction bend using computed tomography(CT) that X-ray calibration and various mathematic calibration algorithm application can be applied by AEC. To achieve this, 79 patients is complaining of cervical pain oriented that shoulder forced traction bend use the before and after acquires lateral projection scout image and transverse image. transverse image of a fixed size in concern field of pixel and figure the average HU value compare that quantitative analysis. Artifact and pixel and resolution to qualitative clinical estimation image analysis. the patient feel inconvenience degree that self-diagnosis survey that estimate. As a result, lateral projection scout image if you used shoulder forced traction bend for the depicted has been an increase in the number of a cervical vertebrae. transverse image concern field shoulder forced traction bend use the before and after for pixel and the average HU-value changes was judged to be almost irrelevant. Artifact and resolution and contrast, in qualitative analysis of the results relating the observer to the unusual result. So, the patients of 82.27% complained discomfort that use of shoulder forced traction bend in self-diagnosis survey. No merit of medical image by using of bend from result was analyzed quality of image to quantitative and qualitative method judged. Nowadays, CT is supplied possible revision of quality of radiation by reduction of slice and automatic exposure controller, etc and application of preconditioning filter process due to various mathematic revision algorithm. So, image noise by beam hardening artifact should not be a problem. shoulder forced traction bend of use no longer judged clinically availability because have not influence of image quality and give discomfort, have extra dangerousness.
Keywords
Shoulder force traction method; Beam hardening artifact; Cervical pain; Computed tomography (CT);
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