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A conducting plastic simulating brain tissue
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DOI：10.1118/1.1320043.png)
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A new conducting plastic has been composed which accurately simulates the photon and neutron absorption properties of brain tissue. This tissue-equivalent (TE) plastic was formulated to match the hydrogen and nitrogen constituents recommended by ICRU Report #44 for brain tissue. Its development was initiated by the inability of muscle tissue-equivalent plastic to closely approximate brain tissue with respect to low-energy neutron interactions. This new plastic is particularly useful as an electrode in TE dosimetry devices for boron neutron capture therapy (BNCT), which utilizes low-energy neutrons for radiotherapy of the brain, Absorbed dose measurements in a clinical BNCT beam using a proportional counter constructed from this TE plastic show good agreement with Monte Carlo calculations. (C) 2000 American Association of Physicists in Medicine. [S0094-2405(00)02211-2].
Keyword:
tissue equivalent plastic
neutron dosimetry
BNCT
BNCEFNT
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3.2
论文数:
3.7W
被引数:
3.2W
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Computational dosimetry and treatment planning for boron neutron capture therapy硼中子俘获治疗的计算剂量学和治疗计划
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