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Use of the GATE Monte Carlo package for dosimetry applications

Abstract : One of the roles for MC simulation studies is in the area of dosimetry. A number of different codes dedicated to dosimetry applications are available and widely used today, such as MCNP, EGSnrc and PTRAN. However, such codes do not easily facilitate the description of complicated 3D sources or emission tomography systems and associated data flow, which may be useful in different dosimetry application domains. Such problems can be overcome by the use of specific MC codes such as GATE, which is based on Geant4 libraries, providing a scripting interface with a number of advantages for the simulation of SPECT and PET systems. Despite this potential, its major disadvantage is in terms of efficiency involving long execution times for applications such as dosimetry. The strong points and disadvantages of GATE in comparison to other dosimetry specific codes are discussed and illustrated in terms of accuracy, efficiency and flexibility. A number of features, such as the use of voxelised and moving sources, as well as developments such as advanced visualisation tools and the development of dose estimation maps allowing GATE to be used for dosimetry applications are presented. In addition, different examples from dosimetry applications with GATE are given. Finally, future directions with respect to the use of GATE for dosimetry applications are outlined.
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Contributor : Jeanine Pellet Connect in order to contact the contributor
Submitted on : Monday, November 21, 2005 - 7:42:13 PM
Last modification on : Wednesday, April 27, 2022 - 3:49:21 AM
Long-term archiving on: : Friday, April 2, 2010 - 7:49:35 PM

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D. Visvikis, M. Bardies, S. Chiavassa, C. Danford, A. Kirov, et al.. Use of the GATE Monte Carlo package for dosimetry applications. 3rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS2005 - Innovation in Nuclear and Radiological Imaging: from Basic Research to Clinical Application, Sep 2005, Milos Island, Greece. pp.335-340, ⟨10.1016/j.nima.2006.08.049⟩. ⟨in2p3-00025095⟩

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