- Current Status of the Particle Beam Therapy in Korea -

Hope, Starts Here – Samsung PTC

의료입자방사선연구회 제1회 심포지엄 The Particle Beam Therapy and Research in Korea, A Step to the Future

2016.06.10

Introduction

Samsung Proton Therapy Center

Treatment Nozzles

Operation and Statistics

Summary

Contents

“These properties make it possible to irradiate intensely a strictly localized region within the body, with but little skin dose.”

Introduction

Samsung Proton Therapy Center

The 1st

• SHI AVF (Azimuthally Varying Field) Cyclotron

• Energy: 70 MeV - 230 MeV

• Two isocentric Gantries

• IGRT using CBCT, CT-Sim and MRI imaging modalities

Samsung PTC - Space Layout

• Multi-leaf Collimator

• Maximum Field 25x25 cm2

• Passive Scattering or Line Scanning

• Patient collimator downstream of compensator

G1 Multi-Purpose Nozzle

• Extended Helium Chamber

• Maximum Field 30x40 cm2

• Scanning speed and Dose rate

• Line Scanning + Aperture in RayStation 6

• Scanning in y-direction in near future

G2 Dedicated Scanning Nozzle

• Wobbling Magnets + Scatterer

• Ridge Filter

Wobbling

Line Scanning

• Two Orthogonal Scanning Magnets

• Scan Patterns loaded on SCU

• RayStation + MOSAIQ

• Remote access using Citrix server

RTP and OIS

• TOPAS user since alpha version

• Contributions (MLC, Ridge filters, etc.)

• Modelled the full geometry of the Samsung PTC nozzles

Monte Carlo Simulation

1. Physics

Rehearsal

2. Clinical

Rehearsal

3. Total

Rehearsal 4. Treatment

Rehearsal

• Treatment schedule filled in step by step

Treatment

1st Patient in G2 Line Scanning

Statistics

- 2016. 05 -

Statistics

- 2016. 05 -

2016.05.03

Timeline

1. The 1st private-hospital based PTC in Korea

2. Two Gantries

3. Operation in 3 years

4. Step by step launch

5. Up and Running

Summary

Another step to the future.

Hope, starts here.

Thank you

• K. Chung et. al., “The first private-hospital based

proton therapy center in Korea; status of the Proton

Therapy Center at Samsung Medical Center”, Radiat

Oncol J. 2015 Dec; 33(4); 337-43.

• K. Chung et. al., “The Proton Therapy Nozzles at

Samsung Medical Center: A Monte Carlo Simulation

Study using TOPAS, Journal of the Korean Physical

Society, Vol. 67, No. 1, July 2015, pp. 170-174.

References