MCNPX-based Study on the Issues Related to Heavy Ion Cancer Therapy

LIU Yuanyuan; JI Shangrong; LI Jinyang; LUO Peng; ZHANG Hui; LI Qiang

doi:10.11804/NuclPhysRev.34.02.236

The depth-dose distributions of different energy carbon ions provided by the demonstration facility of Heavy Ion Medical Machine (HIMM) in tissue-like medium water were calculated using the MCNPX Monte Carlo simulation code. The results derived from the simulation calculations were compared with those measured in the facility of HIMM and showed good agreement with the bexperimental data. Therefore, the usability of MCNPX for heavy ion transportation in tissue-like medium is verified. The present work also developed a parsed script transfer interface for MCNPX-(CSG) simulation based on ray casting technology and DCVM (Dose Calculation Viewer for MCNPX) code based on the PYDICOM code to convert the DICOM files of compensator and CT phantoms to corresponding CSG files that can be identified by MCNPX. Then modeling of the compensator and CT phantoms of HIMM in MCNPX was successfully performed. The present work provides a basis for MCNPX simulation for the dose distribution of carbon ions shaped by HIMM passive beam distribution system in patient date patient based on CT images.

MCNPX-based Study on the Issues Related to Heavy Ion Cancer Therapy

1. School of Life Sciences, Lanzhou University, Lanzhou 730000, China;

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Key Research and Development Program of Ministry of Science and Technology of China (2016YFC0904700); National Key Technology Support Program of Ministry of Science and Technology of China(2015BAI01B11); National Natural Science Foundation of China(11205217, 11075191)

Received Date: 2017-02-20

Rev Recd Date: 2017-03-12

Publish Date: 2017-06-20

Key words:

Abstract: The depth-dose distributions of different energy carbon ions provided by the demonstration facility of Heavy Ion Medical Machine (HIMM) in tissue-like medium water were calculated using the MCNPX Monte Carlo simulation code. The results derived from the simulation calculations were compared with those measured in the facility of HIMM and showed good agreement with the bexperimental data. Therefore, the usability of MCNPX for heavy ion transportation in tissue-like medium is verified. The present work also developed a parsed script transfer interface for MCNPX-(CSG) simulation based on ray casting technology and DCVM (Dose Calculation Viewer for MCNPX) code based on the PYDICOM code to convert the DICOM files of compensator and CT phantoms to corresponding CSG files that can be identified by MCNPX. Then modeling of the compensator and CT phantoms of HIMM in MCNPX was successfully performed. The present work provides a basis for MCNPX simulation for the dose distribution of carbon ions shaped by HIMM passive beam distribution system in patient date patient based on CT images.

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Reference (11)

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MCNPX-based Study on the Issues Related to Heavy Ion Cancer Therapy

doi: 10.11804/NuclPhysRev.34.02.236

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