Search Results - "Hideyuki, Takei"

Effect of Irradiation Time on Biological Effectiveness and Tumor Control Probability in Proton Therapy by Takei, Hideyuki, Inaniwa, Taku

“…The biological effectiveness of proton beams may decrease with irradiation time because of sublethal damage repair (SLDR). The purpose of this study is to…”
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Verification of dose distribution in high dose-rate brachytherapy for cervical cancer using a normoxic N-vinylpyrrolidone polymer gel dosimeter by Watanabe, Yusuke, Maeyama, Takuya, Mizukami, Shinya, Tachibana, Hidenobu, Terazaki, Tsuyoshi, Takei, Hideyuki, Muraishi, Hiroshi, Gomi, Tsutomu, Hayashi, Shin-Ichiro

“…The polymer gel dosimeter has been proposed for use as a 3D dosimeter for complex dose distribution measurement of high dose-rate (HDR) brachytherapy. However,…”
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Analysis of diaphragm movements to specify geometric uncertainties of respiratory gating near end-exhalation for irradiation fields involving the liver dome by Tony Liang, Hsiang-Kuang, Takei, Hideyuki, Tomita, Tetsuya, Terunuma, Toshiyuki, Isobe, Tomonori, Okumura, Toshiyuki, Sakae, Takeji, Sakurai, Hideyuki

“…•For respiratory-gated radiotherapy near end-exhalation and irradiation fields involving the liver dome, components of geometric uncertainties originate from…”
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Validation of the physical and RBE-weighted dose estimator based on PHITS coupled with a microdosimetric kinetic model for proton therapy by Takada, Kenta, Sato, Tatsuhiko, Kumada, Hiroaki, Koketsu, Junichi, Takei, Hideyuki, Sakurai, Hideyuki, Sakae, Takeji

“…Abstract The microdosimetric kinetic model (MKM) is widely used for estimating relative biological effectiveness (RBE)-weighted doses for various…”
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Analysis of source dwell position during treatment in brachytherapy using CT scout images by Nakajima, Nozomi, Isobe, Tomonori, Furuyama, Yoshinobu, Tomita, Tetsuya, Kobayashi, Daisuke, Mori, Yutaro, Takei, Hideyuki, Nagai, Yoshiaki, Ide, Yasuwo, Nemoto Murofushi, Keiko, Nakajima, Masaru, Yoshioka, Yasuo

“…PurposeSeveral cases of inaccurate irradiation in brachytherapy have been reported, occurring similarly to external radiation. Due to a large dose per fraction…”
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Capacity of proton beams in preserving normal liver tissue during proton beam therapy for hepatocellular carcinoma by Tsai, Yu-Lun, Takei, Hideyuki, Iizumi, Takashi, Okumura, Toshiyuki, Sekino, Yuta, Numajiri, Haruko, Ishikawa, Hitoshi, Sakae, Takeji, Sakurai, Hideyuki

“…Abstract Unirradiated liver volume (ULV) preservation rate is an important factor associated with radiation-induced liver disease (RILD) in patients with…”
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Evaluation of basic characteristics of 3‐mm dose equivalent measuring instrument for evaluating lens exposure dose in radiotherapy by Mori, Yutaro, Isobe, Tomonori, Takei, Hideyuki, Miyazaki, Shohei, Kamizawa, Satoshi, Tomita, Tetsuya, Kobayashi, Daisuke, Sakurai, Hideyuki, Sakae, Takeji

“…Introduction Despite the development of DOSIRIS™, an eye lens dosimeter, the characteristics of DOSIRIS™ in the area of radiotherapy have not been…”
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Evaluation of Dose Distribution and Normal Tissue Complication Probability of a Combined Dose of Cone-Beam Computed Tomography Imaging with Treatment in Prostate Intensity-Modulated Radiation Therapy by Tomita, Tetsuya, Isobe, Tomonori, Furuyama, Yoshinobu, Takei, Hideyuki, Kobayashi, Daisuke, Mori, Yutaro, Terunuma, Toshiyuki, Sato, Eisuke, Yokota, Hiroshi, Sakae, Takeji

“…The purpose of this study is to evaluate the effects of cone-beam computed tomography (CBCT) on dose distribution and normal tissue complication probability…”
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Whole Three-Dimensional Dosimetry of Carbon Ion Beams with an MRI-Based Nanocomposite Fricke Gel Dosimeter Using Rapid T1 Mapping Method by Mizukami, Shinya, Watanabe, Yusuke, Mizoguchi, Takahiro, Gomi, Tsutomu, Hara, Hidetake, Takei, Hideyuki, Fukunishi, Nobuhisa, Ishikawa, Kenichi L., Fukuda, Shigekazu, Maeyama, Takuya

“…MRI-based gel dosimeters are attractive systems for the evaluation of complex dose distributions in radiotherapy. In particular, the nanocomposite Fricke gel…”
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General ion recombination effect in a liquid ionization chamber in high-dose-rate pulsed photon and electron beams by Takei, Hideyuki, Isobe, Tomonori, Kitamura, Nozomi, Mori, Yutaro, Tomita, Tetsuya, Kobayashi, Daisuke, Kamizawa, Satoshi, Sato, Tomoharu, Sakurai, Hideyuki, Sakae, Takeji

“…Liquid ionization chambers (LICs) are highly sensitive to dose irradiation and have small perturbations because of their liquid-filled sensitive volume. They…”
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Establishment of a new three-dimensional dose evaluation method considering variable relative biological effectiveness and dose fractionation in proton therapy combined with high-dose-rate brachytherapy by Kobayashi, Daisuke, Isobe, Tomonori, Takada, Kenta, Mori, Yutaro, Takei, Hideyuki, Kumada, Hiroaki, Kamizawa, Satoshi, Tomita, Tetsuya, Sato, Eisuke, Yokota, Hiroshi, Sakae, Takeji

“…Purpose: The purpose of this study is to evaluate the influence of variable relative biological effectiveness (RBE) of proton beam and dose fractionation has…”
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A New Tool for Real-Time Monitoring of Photon-Beam Irradiation Using Positron Production in Radiotherapy by Maruyama, Koichi, Watanabe, Tetsuya, Takenaka, Shigeharu, Asai, Hiroyuki, Oomori, Kazuyoshi, Takei, Hideyuki, Saito, Kyoko, Saito, Hidetoshi, Hayakawa, Kazushige

“…A method for monitoring the real-time irradiation field and irradiation dose of energetic photons has been developed for use in cancer radiotherapy that uses…”
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A New Tool for Real-Time Monitoring of Photon-Beam Irradiation Using Positron Production in Radiotherapy by Maruyama, Koichi, Watanabe, Tetsuya, Takenaka, Shigeharu, Asai, Hiroyuki, Oomori, Kazuyoshi, Takei, Hideyuki, Saito, Kyoko, Saito, Hidetoshi, Hayakawa, Kazushige

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Explainability and controllability of patient‐specific deep learning with attention‐based augmentation for markerless image‐guided radiotherapy by Terunuma, Toshiyuki, Sakae, Takeji, Hu, Yachao, Takei, Hideyuki, Moriya, Shunsuke, Okumura, Toshiyuki, Sakurai, Hideyuki

“…Background We reported the concept of patient‐specific deep learning (DL) for real‐time markerless tumor segmentation in image‐guided radiotherapy (IGRT). The…”
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Absolute Method for Measuring Environmental Radioactive Materials Using Imaging Plates by Yutaro, Mori, Tomonori, Isobe, Hideyuki, Takei, Yosuke, Yoshimura, Yasuwo, Ide, Keito, Sugaya, Gudetyjum, Sajyrau, Takeji, Sakae

“…We had previously developed a measurement method using an imaging plate (IP) to evaluate and address surface contamination caused by the release of radioactive…”
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The Impact of Dose Calibration Point Differences Between the Treatment Plan and Patient-specific Quality Assurance in Passive Scattering Proton Beam Therapy by Mori, Yutaro, Isobe, Tomonori, Takei, Hideyuki, Kamizawa, Satoshi, Tomita, Tetsuya, Kobayashi, Daisuke, Sakurai, Hideyuki, Sakae, Takeji

“…Passive scattering proton beam therapy (PSPT) is performed by taking actual measurements of all pre-designated fields in a treatment plan followed by…”
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Diamond energy-dispersive dosimeter for measuring linear energy deposition distributions in clinical carbon beam therapy by Matsumoto, Takumi, Aoki, Katsumi, Takei, Hideyuki, Makino, Takahiro, Yonai, Shunsuke, Weiss, Christina, Griesmayer, Erich, Ohshima, Takeshi, Sakai, Makoto, Matsumura, Akihiko, Kada, Wataru

“…A thin diamond membrane energy-dispersive dosimeter 50 μm thick was fabricated for estimating clinical dose distribution. In contrast to conventional…”
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Measurement of neutrino-nucleon neutral current elastic scattering at SciBooNE: Proceedings of the International Symposium on Nanoscience and Quantum Physics (nanoPHYS'09), held in Tokyo, Japan, 23-25 February 2009 by TAKEI, Hideyuki

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Measurement of neutrino-nucleon neutral current elastic scattering at SciBooNE by Takei, Hideyuki

“…The cross-section for neutrino-nucleon neutral current (NC) elastic scattering contains the axial vector form factor G 1( Q 2) as well as the electromagnetic…”
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O004 / #313 - DESIGN AND POTENTIAL EFFICACY OF MULTI-ION THERAPY FOR HEAD AND NECK CANCERS USING CARBON-, OXYGEN-, AND NEON-ION BEAMS by Masuda, Takamitsu, Koto, Masashi, Ikawa, Hiroaki, Takei, Hideyuki, Aoki, Katsumi, Nakaji, Taku, Inaniwa, Taku

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