Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Reduction of Exposure Dose of Mammography by Comparison of Compression Paddle Material

압박대 재질 비교를 통한 유방촬영의 피폭선량 감소 방안

  • Hong, Dong-Hee (Department of Radiological Science, Shinhan University)
  • 홍동희 (신한대학교 방사선학과)
  • Received : 2019.12.13
  • Accepted : 2019.12.26
  • Published : 2019.12.31
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Abstract

This study compared the radiation transmission and image quality of polymethylmethacrylate (PMMA), polycarbonate (PC), and carbon, which are common components of the compression plates currently used during breast imaging. In addition to measuring the transmitted dose and the intensity without the use of a compression paddle, the four different compression paddles were evaluated according to the material and thickness of each paddle. Radiation transmittance, maximum intensity, and plot profile type w ere all evaluated for each material, and for each factor evaluated the follow ing order w as noted, from best to w orst: carbon 4 mm, PMMA 3 mm, PMMA 4 mm, and PC 4 mm. It is necessary to study a variety of materials and thicknesses in order to find the optimal combination of material and thickness, because not only does the material have a large influence in reducing the radiation exposure during mammography, but the thickness of the compression plate also has a great influence.

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References

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