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Author  |
Lerendegui-Marco, J.; Balibrea-Correa, J.; Alvarez-Rodriguez, P.; Babiano-Suarez, V.; Gameiro, B.; Ladarescu, I.; Mendez-Malagon, C.; Michelagnoli, C.; Porras, I.; Porras-Quesada, M.; Ruiz-Ruiz, C.; Torres-Sanchez, P.; Domingo-Pardo, C. |
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Title |
First pilot tests of Compton imaging and boron concentration measurements in BNCT using i-TED |
Type |
Journal Article |
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Year |
2025 |
Publication |
Applied Radiation and Isotopes |
Abbreviated Journal |
Appl. Radiat. Isot. |
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Volume |
225 |
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Pages |
112009 - 9pp |
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Keywords |
BNCT; Dosimetry; Compton imaging |
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Abstract |
Dosimetry in BNCT poses significant challenges due to the indirect effect of neutrons interacting with elements within the body and uncertainties associated with the uptake of boron compounds used in clinical practice. Current treatment planning relies on unconventional estimates of boron tumor uptake derived from prior PET scans and thus, an online boron-uptake monitor would be highly convenient. This work presents the first pilot experiments carried out at ILL-Grenoble with the high-efficiency Compton camera i-TED, hereby aiming at demonstrating its applicability for BNCT dosimetry by introducing real-time measurement of the boron concentration and imaging capabilities of spatial dose distribution. In this experiment, we measured the 10B uptake of different cancer cells of tongue squamous cell carcinoma, malignant melanoma and glioblastoma treated with BPA (80 ppm of 10B). The samples were irradiated with the thermal neutron spectrum of ILL-Grenoble and the 478 keV 1-rays from the 7Li de-excitation after the neutron-boron reaction were registered both with the Compton imager and the high-sensitivity FIPPS HPGe array. These series of measurements allowed us to demonstrate the imaging capabilities of the Compton imaging device for the 478 keV 1-rays of interest for dosimetry in BNCT, as well as to assess its sensitivity, which was found to be below 1 μg of 10B. |
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Address |
[Lerendegui-Marco, J.; Balibrea-Correa, J.; Babiano-Suarez, V.; Gameiro, B.; Torres-Sanchez, P.; Domingo-Pardo, C.] Univ Valencia, Inst Fis Corpuscular, CSIC, Valencia, Spain, Email: jorge.lerendegui@ific.uv.es |
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Publisher |
Pergamon-Elsevier Science Ltd |
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Language |
English |
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ISSN |
0969-8043 |
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Notes |
WOS:001529928600002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6758 |
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