Radiat Oncol J.  2015 Dec;33(4):337-343. 10.3857/roj.2015.33.4.337.

The first private-hospital based proton therapy center in Korea; status of the Proton Therapy Center at Samsung Medical Center

Affiliations
  • 1Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. youngyih@skku.edu
  • 2Industrial Equipment Division, Sumitomo Heavy Industries Ltd., Niihama, Japan.

Abstract

PURPOSE
The purpose of this report is to describe the proton therapy system at Samsung Medical Center (SMC-PTS) including the proton beam generator, irradiation system, patient positioning system, patient position verification system, respiratory gating system, and operating and safety control system, and review the current status of the SMC-PTS.
MATERIALS AND METHODS
The SMC-PTS has a cyclotron (230 MeV) and two treatment rooms: one treatment room is equipped with a multi-purpose nozzle and the other treatment room is equipped with a dedicated pencil beam scanning nozzle. The proton beam generator including the cyclotron and the energy selection system can lower the energy of protons down to 70 MeV from the maximum 230 MeV.
RESULTS
The multi-purpose nozzle can deliver both wobbling proton beam and active scanning proton beam, and a multi-leaf collimator has been installed in the downstream of the nozzle. The dedicated scanning nozzle can deliver active scanning proton beam with a helium gas filled pipe minimizing unnecessary interactions with the air in the beam path. The equipment was provided by Sumitomo Heavy Industries Ltd., RayStation from RaySearch Laboratories AB is the selected treatment planning system, and data management will be handled by the MOSAIQ system from Elekta AB.
CONCLUSION
The SMC-PTS located in Seoul, Korea, is scheduled to begin treating cancer patients in 2015.

Keyword

Proton therapy; Proton beam therapy; Particle accelerator; Radiation oncology
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