Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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A Numerical Voxel Model for 3D-printed Uncompressed Breast Phantoms

3D 프린팅 비압박 유방 팬텀 제작을 위한 복셀 기반 수치 모델에 관한 연구

  • Youn, Hanbean (Department of Radiation Oncology, Pusan National University Yangsan Hospital) ;
  • Baek, Cheol Ha (Department of Radiological Science, Dongseo University) ;
  • Jeon, Hosang (Department of Radiation Oncology, Pusan National University Yangsan Hospital) ;
  • Kim, Jinsung (Department of Radiation Oncology, Yonsei University) ;
  • Nam, Jiho (Department of Radiation Oncology, Pusan National University Yangsan Hospital) ;
  • Lee, Jayoung (Department of Radiation Oncology, Pusan National University Yangsan Hospital) ;
  • Lee, Juhye (Department of Radiation Oncology, Pusan National University Yangsan Hospital) ;
  • Park, Dahl (Department of Radiation Oncology, Pusan National University Hospital) ;
  • Kim, Wontaek (Department of Radiation Oncology, Pusan National University Hospital) ;
  • Ki, Yongkan (Department of Radiation Oncology, Pusan National University Hospital) ;
  • Kim, Donghyun (Department of Radiation Oncology, Pusan National University Hospital) ;
  • Won, Jong Hun (Department of Radiological Science, Dongseo University) ;
  • Kim, Ho Kyung (School of Mechanical Engineering, Pusan National University)
  • 윤한빈 (양산부산대학교병원 방사선종양학과) ;
  • 백철하 (동서대학교 방사선학과) ;
  • 전호상 (양산부산대학교병원 방사선종양학과) ;
  • 김진성 (연세대학교 방사선종양학과) ;
  • 남지호 (양산부산대학교병원 방사선종양학과) ;
  • 이자영 (양산부산대학교병원 방사선종양학과) ;
  • 이주혜 (양산부산대학교병원 방사선종양학과) ;
  • 박달 (부산대학교병원 방사선종양학과) ;
  • 김원택 (부산대학교병원 방사선종양학과) ;
  • 기용간 (부산대학교병원 방사선종양학과) ;
  • 김동현 (부산대학교병원 방사선종양학과) ;
  • 원종훈 (동서대학교 방사선학과) ;
  • 김호경 (부산대학교 기계공학부)
  • Received : 2017.05.15
  • Accepted : 2017.06.19
  • Published : 2017.06.30
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Abstract

Physical breast phantoms would be useful for the development of a dedicated breast computed tomography (BCT) system and its optimization. While the conventional breast phantoms are available in compressed forms, which are appropriate for the mammography and digital tomosynthesis, however, the BCT requires phantoms in uncompressed forms. Although simple cylindrical plastic phantoms can be used for the development of the BCT system, they will not replace the roles of uncompressed phantoms describing breast anatomies for a better study of the BCT. In this study, we have designed a numerical voxel breast phantom accounting for the random nature of breast anatomies and applied it to the 3D printer to fabricate the uncompressed anthropomorphic breast phantom. The numerical voxel phantom mainly consists of the external skin and internal anatomies, including the ductal networks, the glandular tissues, the Cooper's ligaments, and the adipose tissues. The voxel phantom is then converted into a surface data in the STL file format by using the marching cube algorithm. Using the STL file, we obtain the skin and the glandular tissue from the 3D printer, and then assemble them. The uncompressed breast phantom is completed by filling the remaining space with oil, which mimics the adipose tissues. Since the breast phantom developed in this study is completely software-generated, we can create readily anthropomorphic phantoms accounting for diverse human breast anatomies.

Keywords

References

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