Feasibility of proton tomosynthesis in proton therapy

Min Kook Cho, Jungwook Shin, Ho Kyung Kim, Myonggeun Yoon, Dongho Shin, Se Byeong Lee, Sung Yong Park

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Currently, the patient dose of proton therapy and treatment planning arc based on the x-ray photon CT (computed tomography) data. However, material interactions between protons and photons arc different. Proton tomograms are useful to make with accuracy the dose calculations for planning and positioning of patients. For applying CT techniques, many projection images during at least half rotation are need. It makes extremely high patient dose. We apply the proton tomosynthesis, which is the limited angle tomography using proton-beams. The proton tomosynthesis may provide more accuracy of dose calculation and verifications with less patient dose. We describe the concept of the proton tomosynthesis and demonstrate its performance with GEANT4 simulation and experiments. We confirmed the feasibility of proton digital tomosynthesis through comparative analysis with the x-ray photon methods. This study is useful for proton therapy planning and verification.

Original languageEnglish
Title of host publicationMedical Imaging 2010
Subtitle of host publicationPhysics of Medical Imaging
EditionPART 1
Publication statusPublished - 2010
Externally publishedYes
EventMedical Imaging 2010: Physics of Medical Imaging - San Diego, CA, United States
Duration: 2010 Feb 152010 Feb 18

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
NumberPART 1
ISSN (Print)1605-7422


OtherMedical Imaging 2010: Physics of Medical Imaging
Country/TerritoryUnited States
CitySan Diego, CA


  • Proton therapy
  • Proton tomosynthesis

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Radiology Nuclear Medicine and imaging


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