Comparison of patient brain dose measurements and the JCDS calculation

Yamamoto, Tetsuya*; Matsumura, Akira*; Yamamoto, Kazuyoshi ; Kumada, Hiroaki; Torii, Yoshiya ; Endo, Kiyoshi*; Matsushita, Akira*; Shibata, Yasushi*; Nose, Tadao*

Dose measurements in a patient's brain undergoing intraoperative BNCT (IOBNCT) were compared with calculations by a JAERI computational dosimetry system (JCDS). The maximum thermal neutron flux on the brain surface from the postirradiation measurement averaged 2.330.37(10 $^{9}$ cm $^{-2}$ s $^{-1}$ ) and the vascular boron dose averaged 11.41.2 (9.6-12.7) Gy. Using JCDS, the maximum thermal neutron flux in the irradiated volume averaged 2.210.33(10 $^{9}$ cm $^{-2}$ s $^{-1}$ ), while the target vascular dose averaged 5.7 Gy and varied from 3.5 to 7.8 Gy. As such, in the dose planning for intra-operative irradiation, practical use of JCDS is recommended for uniform volume-dose control of postsurgical brain in IOBNCT.

Language	:	English
Journal	:	Research and Development in Neutron Capture Therapy
Volume	:
Number	:
Pages	:	p.415 - 418
Publication Year/Month	:	2002/09
Meeting title	:	10th International Congress on Neutron Capture Therapy (NCT Essen 2002)
Held date	:	2002/09
Location (city)	:	Essen
Location (country)	:	Germany
Patent information	:
PDF	:
Paper URL	:
DOI for research data	:
Keywords	:	BNCT; JCDS; Dosimtry; Retrospective Evaluation; JRR-4; Intraoperative Irradiation; Dose Planning
Research Facility	:	JRR-4(研究炉4)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	筑波大学

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Registration No. : B20021086
JAEA Abstracts No. : 301290
Paper Submission No. : 19704

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