Search Results - "Terunuma, Toshiyuki"

Formulation of Time-Dependent Cell Survival with Saturable Repairability of Radiation Damage by Sakae, Takeji, Takada, Kenta, Kamizawa, Satoshi, Terunuma, Toshiyuki, Ando, Koichi

“…This study aims to provide a model that compounds historically proposed ideas regarding cell survival irradiated with X rays or particles. The parameters used…”
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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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Comparison of adverse effects of proton and X-ray chemoradiotherapy for esophageal cancer using an adaptive dose–volume histogram analysis by Makishima, Hirokazu, Ishikawa, Hitoshi, Terunuma, Toshiyuki, Hashimoto, Takayuki, Yamanashi, Koichi, Sekiguchi, Takao, Mizumoto, Masashi, Okumura, Toshiyuki, Sakae, Takeji, Sakurai, Hideyuki

“…Cardiopulmonary late toxicity is of concern in concurrent chemoradiotherapy (CCRT) for esophageal cancer. The aim of this study was to examine the benefit of…”
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Clinical practice vs. state-of-the-art research and future visions: Report on the 4D treatment planning workshop for particle therapy – Edition 2018 and 2019 by Czerska, Katarzyna, Emert, Frank, Kopec, Renata, Langen, Katja, McClelland, Jamie R, Meijers, Arturs, Miyamoto, Naoki, Riboldi, Marco, Shimizu, Shinichi, Terunuma, Toshiyuki, Zou, Wei, Knopf, Antje, Rucinski, Antoni

“…•10th & 11th edition of 4D Treatment Planning Workshop took place in Japan and Poland.•Clinical practice of 4D particle therapy has been currently implemented…”
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Novel real-time tumor-contouring method using deep learning to prevent mistracking in X-ray fluoroscopy by Terunuma, Toshiyuki, Tokui, Aoi, Sakae, Takeji

“…Robustness to obstacles is the most important factor necessary to achieve accurate tumor tracking without fiducial markers. Some high-density structures, such…”
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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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Dose distribution resulting from changes in aeration of nasal cavity or paranasal sinus cancer in the proton therapy by Fukumitsu, Nobuyoshi, Ishikawa, Hitoshi, Ohnishi, Kayoko, Terunuma, Toshiyuki, Mizumoto, Masashi, Numajiri, Haruko, Aihara, Teruhito, Okumura, Toshiyuki, Tsuboi, Koji, Sakae, Takeji, Sakurai, Hideyuki

“…Abstract Background and purpose Aeration in the nasal cavity and paranasal sinus (NCPS) was investigated during the course of proton therapy (PT), and the…”
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Dual ring multilayer ionization chamber and theory-based correction technique for scanning proton therapy by Takayanagi, Taisuke, Nihongi, Hideaki, Nishiuchi, Hideaki, Tadokoro, Masahiro, Ito, Yuki, Nakashima, Chihiro, Fujitaka, Shinichiro, Umezawa, Masumi, Matsuda, Koji, Sakae, Takeji, Terunuma, Toshiyuki

“…Purpose: To develop a multilayer ionization chamber (MLIC) and a correction technique that suppresses differences between the MLIC and water phantom…”
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Measurement of neutron dose distribution for a passive scattering nozzle at the Proton Medical Research Center (PMRC) by Tayama, Ryuichi, Fujita, Yasuo, Tadokoro, Masahiro, Fujimaki, Hisataka, Sakae, Takeji, Terunuma, Toshiyuki

“…For a passive scattering nozzle at the Proton Medical Research Center (PMRC), the distribution of the neutron dose equivalent in the direction transverse to…”
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[P266] Patient-optimized deep learning for robust tumor tracking by Terunuma, Toshiyuki, Tomoda, Koichi, Sakae, Takeji, Ohnishi, Kayoko, Okumura, Toshiyuki, Sakurai, Hideyuki

“…In markerless tumor tracking using X-ray fluoroscopic images for image-guided radiation therapy (IGRT), robustness against mistracking is important…”
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A comparative study of dose distribution of PBT, 3D-CRT and IMRT for pediatric brain tumors by Takizawa, Daichi, Mizumoto, Masashi, Yamamoto, Tetsuya, Oshiro, Yoshiko, Fukushima, Hiroko, Fukushima, Takashi, Terunuma, Toshiyuki, Okumura, Toshiyuki, Tsuboi, Koji, Sakurai, Hideyuki

“…It was reported that proton beam therapy (PBT) reduced the normal brain dose compared with X-ray therapy for pediatric brain tumors. We considered whether…”
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Registration error of the liver CT using deformable image registration of MIM Maestro and Velocity AI by Fukumitsu, Nobuyoshi, Nitta, Kazunori, Terunuma, Toshiyuki, Okumura, Toshiyuki, Numajiri, Haruko, Oshiro, Yoshiko, Ohnishi, Kayoko, Mizumoto, Masashi, Aihara, Teruhito, Ishikawa, Hitoshi, Tsuboi, Koji, Sakurai, Hideyuki

“…Understanding the irradiated area and dose correctly is important for the reirradiation of organs that deform after irradiation, such as the liver. We…”
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Measurement of neutron ambient dose equivalent in passive carbon-ion and proton radiotherapies by Yonai, Shunsuke, Matsufuji, Naruhiro, Kanai, Tatsuaki, Matsui, Yuki, Matsushita, Kaoru, Yamashita, Haruo, Numano, Masumi, Sakae, Takeji, Terunuma, Toshiyuki, Nishio, Teiji, Kohno, Ryosuke, Akagi, Takashi

“…Secondary neutron ambient dose equivalents per the treatment absorbed dose in passive carbon-ion and proton radiotherapies were measured using a rem meter,…”
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Reproducibility of image quality for moving objects using respiratory-gated computed tomography: a study using a phantom model by Fukumitsu, Nobuyoshi, Ishida, Masaya, Terunuma, Toshiyuki, Mizumoto, Masashi, Hashimoto, Takayuki, Moritake, Takashi, Okumura, Toshiyuki, Sakae, Takeji, Tsuboi, Koji, Sakurai, Hideyuki

“…To investigate the reproducibility of computed tomography (CT) imaging quality in respiratory-gated radiation treatment planning is essential in radiotherapy…”
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Prediction error and required internal margin provided for irregular respiratory movements: a phantom study by Fukumitsu, Nobuyoshi, Numajiri, Haruko, Ohnishi, Kayoko, Mizumoto, Masashi, Aihara, Teruhito, Ishikawa, Hitoshi, Okumura, Toshiyuki, Tsuboi, Koji, Terunuma, Toshiyuki, Sakae, Takeji, Sakurai, Hideyuki

“…Purpose To estimate the prediction error and required internal margin provided for irregular respiratory movements. Materials and methods Twenty-eight patterns…”
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Comparison of dose-volume histograms between proton beam and X-ray conformal radiotherapy for locally advanced non-small-cell lung cancer by Ohno, Toshiki, Oshiro, Yoshiko, Mizumoto, Masashi, Numajiri, Haruko, Ishikawa, Hitoshi, Okumura, Toshiyuki, Terunuma, Toshiyuki, Sakae, Takeji, Sakurai, Hideyuki

“…The purpose of this study was to compare the parameters of the dose-volume histogram (DVH) between proton beam therapy (PBT) and X-ray conformal radiotherapy…”
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RBE and OER within the spread-out Bragg peak for proton beam therapy: in vitro study at the Proton Medical Research Center at the University of Tsukuba by Kanemoto, Ayae, Hirayama, Ryoichi, Moritake, Takashi, Furusawa, Yoshiya, Sun, Lue, Sakae, Takeji, Kuno, Akihiro, Terunuma, Toshiyuki, Yasuoka, Kiyoshi, Mori, Yutaro, Tsuboi, Koji, Sakurai, Hideyuki

“…There are few reports on the biological homogeneity within the spread-out Bragg peak (SOBP) of proton beams. Therefore, to evaluate the relative biological…”
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Designed-seamless irradiation technique for extended whole mediastinal proton-beam irradiation for esophageal cancer by Okonogi, Noriyuki, Hashimoto, Takatuki, Ishida, Masaya, Ohno, Toshiki, Terunuma, Toshiyuki, Okumura, Toshiyuki, Sakae, Takeji, Sakurai, Hideyuki

“…Proton-beam therapy (PBT) provides therapeutic advantages over conformal x-ray therapy in sparing organs at risk when treating esophageal cancer because of the…”
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Reduction of the number of stacking layers in proton uniform scanning by Fujitaka, Shinichiro, Takayanagi, Taisuke, Fujimoto, Rintaro, Fujii, Yusuke, Nishiuchi, Hideaki, Ebina, Futaro, Okazaki, Takashi, Hiramoto, Kazuo, Sakae, Takeji, Terunuma, Toshiyuki

“…Uniform scanning with a relatively large beam size can improve beam utilization efficiency more than conventional irradiation methods using scatterers and can…”
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Biological Intercomparison Using Gut Crypt Survivals for Proton and Carbon-Ion Beams by Uzawa, Akiko, Ando, Koichi, Furusawa, Yoshiya, Kagiya, Go, Fuji, Hiroshi, Hata, Masaharu, Sakae, Takeji, Terunuma, Toshiyuki, Scholz, Michael, Ritter, Sylvia, Peschke, Peter

“…Charged particle therapy depends on biological information for the dose prescription. Relative biological effectiveness or RBE for this requirement could…”
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