Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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A Study on Quality Control for Medical Image by Using Deviation Index of Digital Radiology

디지털 방사선 영상의 편차지수를 이용한 의료영상 품질관리에 관한 연구

  • Jeong, Hoi-Woun (Department of Radiological Science, Baekseok Culture University) ;
  • Min, Jung-Whan (Department of Radiological technology, Shingu University)
  • Received : 2020.01.22
  • Accepted : 2020.04.24
  • Published : 2020.04.30
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Abstract

In a digital radiation system using a Flat Panel Detector, we attempted to the quality control of digital radiography system using the Exposure Index and Deviation Index. Calibration was performed with the radiation quality suggested by the International Electrotechnical Commission, and through an experiment using a phantom, appropriate inspection radiation conditions applicable to medical institutions were selected. The study was conducted using the selected radiation conditions. Through those chest posterior anterior image, information such as examination conditions and exposure index was obtained. The deviation index was derived by analyzing the exposure index based on the target exposure index calculated by the phantom study. As for the analyzed exposure index, 97.1% was distributed within the range of ± 2.0 based on the deviation index. Quality control of medical images should be performed through management of inspection conditions through exposure index and deviation index and management of medical images.

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References

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