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NTIS 바로가기한국방사선학회 논문지 = Journal of the Korean Society of Radiology, v.8 no.4, 2014년, pp.203 - 210
권순무 (대구보건대학교 방사선과) , 박창희 (대구보건대학교 방사선과) , 박정규 (대구보건대학교 방사선과) , 송운흥 (신한대학교 임상병리학과) , 정재은 (대구보건대학교 방사선과)
Chest radiography has been typically performed at SID of 180 cm. Image quality and patient dose were investigated between 180 cm and 340 cm by 20 cm intervals at 120 kVp and 320 mAs with the AEC. VGA was performed for qualitative assessment and SNR was analysed for quantitative assessment on the ima...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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vhest radiography은 어떤 영역에서 가장 일반적으로 시행되는 검사인가? | X선을 이용한 진단방사선 영역에서 vhest radiography는 가장 일반적으로 시행하는 검사이다[1]. chest radiography는 cross-sectional techniques의 활용성 증가와 높은 진단능력에도 불구하고 흉부검사에서 꾸준히 시행되어지고 있으며 중요한 부분을 차지하고 있다. | |
chest radiography의 가장 큰 장점은 무엇인가? | chest radiography는 cross-sectional techniques의 활용성 증가와 높은 진단능력에도 불구하고 흉부검사에서 꾸준히 시행되어지고 있으며 중요한 부분을 차지하고 있다. 이런 chest radiography의 가장 큰 장점으로 낮은 방사선 노출, 저 비용, 영상획득과 판독의 신속성을 들수 있다[2]. 전통적으로, 임상 영상의학 분야에서 흉부 검사를 제외한 대부분의 x선 검사의 경우 100 cm의 거리에서 실시되어 왔다[3]. | |
부적절한 source to image-receptor distance 설정은 어떤 영향을 미치는가? | 결과적으로, 환자와 x-ray tube focus 사이의 거리 증가는 환자선량을 감소시킬 수 있는 좋은 방법이다[9]. 부적절한 SID 설정은 skin dose를 높이고 방사선에 의한 deterministic effects의 위험을 높이며[10], stochastic effects에 의한 방사선 위험에도 유의미한 영향을 미친다는 보고도 있다[11, 12]. |
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Maria Joyce, Mark McEntee, Patrick C Brennan, Desiree O'Leary, "Reducing dose for digital cranial radiography; The increased source to the image-receptor distance approach," J. Medical Imaging and Radiation Sciences, 44(4), pp.180-187, 2013.
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