Takahito Chiba

Profile Information

Affiliation: Tohoku University

J-GLOBAL ID: 201801015635530389
researchmap Member ID: B000311583

Research Interests

Papers

Plan complexity metrics for head and neck VMAT competition plans.

Hiroyuki Okamoto, Akihisa Wakita, Kensuke Tani, Satoshi Kito, Masahiko Kurooka, Takumi Kodama, Naoki Tohyama, Yukio Fujita, Satoshi Nakamura, Kotaro Iijima …

Medical dosimetry : official journal of the American Association of Medical Dosimetrists, Feb 16, 2024
Relative biological effectiveness for epithermal neutron beam contaminated with fast neutrons in the linear accelerator-based boron neutron capture therapy system coupled to a solid-state lithium target.

Satoshi Nakamura, Shoji Imamichi, Kenzi Shimada, Mihiro Takemori, Yui Kanai, Kotaro Iijima, Takahito Chiba, Hiroki Nakayama, Tetsu Nakaichi, Shohei Mikasa …

Journal of radiation research, 64(4) 661-667, Jun 9, 2023
Film measurement and analytical approach for assessing treatment accuracy and latency in a magnetic resonance‐guided radiotherapy system

Hiroki Nakayama, Hiroyuki Okamoto, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Tetsu Nakaichi, Shohei Mikasa, Kyohei Fujii, Tatsuya Sakasai …

Journal of Applied Clinical Medical Physics, Mar 19, 2023
Acral cutaneous malignant melanoma treated with linear accelerator-based boron neutron capture therapy system: a case report of first patient.

Hiroshi Igaki, Satoshi Nakamura, Naoya Yamazaki, Tomoya Kaneda, Mihiro Takemori, Tairo Kashihara, Naoya Murakami, Kenjiro Namikawa, Tetsu Nakaichi, Hiroyuki Okamoto …

Frontiers in oncology, 13 1272507-1272507, 2023
Commissioning and performance evaluation of commercially available mobile imager for image guided total body irradiation.

Tetsu Nakaichi, Hiroyuki Okamoto, Mitsuhiro Kon, Kazuki Takaso, Ako Aikawa, Satoshi Nakamura, Kotaro Ijima, Takahito Chiba, Hiroki Nakayama, Mihiro Takemori …

Journal of applied clinical medical physics, 24(4) e13865, Dec 26, 2022
Analyzing spatial distribution between 18F-fluorodeoxyglucose and 18F-boronophenylalanine positron emission tomography to investigate selection indicators for boron neutron capture therapy.

Tetsu Nakaichi, Satoshi Nakamura, Kimiteru Ito, Kana Takahashi, Mihiro Takemori, Tairo Kashihara, Kouji Kunito, Naoya Murakami, Kotaro Iijima, Takahito Chiba …

EJNMMI physics, 9(1) 89-89, Dec 19, 2022
Failure modes and effects analysis study for accelerator-based Boron Neutron Capture Therapy.

Mihiro Takemori, Satoshi Nakamura, Toshimitsu Sofue, Mikiko Ito, Tomonori Goka, Yuki Miura, Kotaro Iijima, Takahito Chiba, Hiroki Nakayama, Tetsu Nakaichi …

Medical physics, 50(1) 424-439, Nov 22, 2022
Planning study: prone versus supine position for stereotactic body radiotherapy in prostate by CyberKnife.

Mitsuhiro Kon, Hiroyuki Okamoto, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Hiroki Nakayama, Tetsu Nakaichi, Shohei Mikasa, Kyohei Fujii …

Journal of radiation research, 64(1) 186-194, Oct 31, 2022
The combination of volumetric arc radiation therapy and boost high-dose rate interstitial brachytherapy for T3N2c tongue cancer: a technical report.

Naoya Murakami, Madoka Sakuramachi, Tairo Kashihara, Takahito Chiba, Satoshi Nakamura, Keisuke Ono, Takao Ueno, Seiichi Yoshimoto, Ken Yoshida, Koji Masui …

Japanese journal of clinical oncology, Oct 13, 2022
Practical guidelines of online MR-guided adaptive radiotherapy.

Hiroyuki Okamoto, Hiroshi Igaki, Takahito Chiba, Keiko Shibuya, Tatsuya Sakasai, Keiichi Jingu, Koji Inaba, Kagayaki Kuroda, Shigeki Aoki, Daisaku Tatsumi …

Journal of radiation research, 63(5) 730-740, Sep 21, 2022
Identifying risk characteristics using failure mode and effect analysis for risk management in online magnetic resonance-guided adaptive radiation therapy.

Shie Nishioka, Hiroyuki Okamoto, Takahito Chiba, Tatsuya Sakasai, Kae Okuma, Junichi Kuwahara, Daisuke Fujiyama, Satoshi Nakamura, Kotaro Iijima, Hiroki Nakayama …

Physics and imaging in radiation oncology, 23 1-7, Jul, 2022
Technical note: Analysis of brachytherapy source movement by high-speed camera.

Hiroyuki Okamoto, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Hiroki Nakayama, Kyohei Fujii, Mitsuhiro Kon, Shohei Mikasa, Tetsu Nakaichi, Yuka Urago …

Medical physics, 49(7) 4804-4811, Mar 13, 2022
Scalp angiosarcoma treated with linear accelerator-based boron neutron capture therapy: A report of two patients.

Hiroshi Igaki, Naoya Murakami, Satoshi Nakamura, Naoya Yamazaki, Tairo Kashihara, Akira Takahashi, Kenjiro Namikawa, Mihiro Takemori, Hiroyuki Okamoto, Kotaro Iijima …

Clinical and translational radiation oncology, 33 128-133, Mar, 2022
Monte Carlo simulation of tilted contact plaque brachytherapy placement for juxtapapillary retinoblastoma.

Satoshi Nakamura, Naoya Murakami, Shigenobu Suzuki, Kimiteru Ito, Mihiro Takemori, Hiroki Nakayama, Keita Kaga, Takahito Chiba, Kotaro Iijima, Kana Takahashi …

Radiation oncology (London, England), 17(1) 16-16, Jan 24, 2022
In vivo dosimetry for testicular and scalp shielding in total skin electron therapy using a radiophotoluminescence glass dosimeter.

Hiroyuki Okamoto, Kae Okuma, Hiroki Nakayama, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Kyohei Fujii, Shohei Mikasa, Tetsu Nakaichi …

Journal of radiation research, 63(1) 51-54, Jan 20, 2022
Effect of Hyaluronate Acid Injection on Dose-Volume Parameters in Brachytherapy for Cervical Cancer.

Rei Kobayashi, Naoya Murakami, Takahito Chiba, Kae Okuma, Koji Inaba, Kana Takahashi, Tomoya Kaneda, Tairo Kashihara, Ayaka Takahashi, Yuri Shimizu …

Advances in radiation oncology, 7(3) 100918-100918, 2022
Efficacy of tangential irradiation with volumetric modulated arc therapy on scalp angiosarcoma using medical linac.

Hiroki Nakayama, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Tairo Kashihara, Kae Okuma, Hiroshi Igaki, Hidetoshi Saitoh, Weishan Chang …

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), 91 105-116, Nov, 2021
Performance of a newly designed end-to-end phantom compatible with magnetic resonance-guided radiotherapy systems.

Kotaro Iijima, Hiroyuki Okamoto, Shie Nishioka, Tatsuya Sakasai, Satoshi Nakamura, Takahito Chiba, Keita Kaga, Mihiro Takemori, Hiroki Nakayama, Yuki Miura …

Medical physics, 48(11) 7541-7551, Sep 12, 2021
Evaluation of auto-segmentation accuracy of cloud-based artificial intelligence and atlas-based models.

Yuka Urago, Hiroyuki Okamoto, Tomoya Kaneda, Naoya Murakami, Tairo Kashihara, Mihiro Takemori, Hiroki Nakayama, Kotaro Iijima, Takahito Chiba, Junichi Kuwahara …

Radiation oncology (London, England), 16(1) 175-175, Sep 9, 2021
Evaluation of auto-segmentation accuracy of cloud-based artificial intelligence and atlas-based models

Yuka Urago, Hiroyuki Okamoto, Tomoya Kaneda, Naoya Murakami, Tairo Kashihara, Mihiro Takemori, Hiroki Nakayama, Kotaro Iijima, Takahito Chiba, Junichi Kuwahara …

RADIATION ONCOLOGY, 16(1), Sep, 2021

Misc.

Construction of a treatment planning protocol starting from imitation

千葉貴仁

日本放射線外科学会, 14th, 2023
【RADIATION THERAPY TODAY 2022 放射線治療最前線"高精度"のその先へ,技術と臨床の最新トピックス】適応放射線治療の技術革新と臨床導入「MRIdianリニアック」放射線治療システムの有用性と将来展望

岡本裕之, 千葉貴仁, 桑原潤一, 逆井達也, 昆貢広, 伍賀友紀, 井垣浩

INNERVISION, 37(11) 8-11, Oct, 2022
【MRリニアック各社の技術と使用経験】MRリニアック各社の技術と使用経験MRIdian linac

岡本裕之, 千葉貴仁, 桑原潤一, 逆井達也, 昆貢広, 伍賀友紀, 柏原大朗, 井垣浩

Rad Fan, 20(13) 66-70, Oct, 2022
深層学習を用いたCT再構成法が骨盤部領域の放射線治療計画に与える線量影響の評価

芝田祥宏, 千葉貴仁, 飯島康太郎, 逆井達也, 冨士山大介, 上田真敬, 伍賀友紀, 勝田昭一, 井垣浩, 麻生智彦

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 35th, 2022
CyberKnifeを用いた前立腺がん治療におけるSupine/Prone Setupの違いによる治療計画の線量分布の比較検討

昆貢広, 岡本裕之, 中村哲志, 飯島康太郎, 千葉貴仁, 祖父江利光, 勝田昭一, 井垣浩, 麻生智彦

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 35th, 2022
全身照射用モバイルイメージャーを用いた線量予測精度評価

中市徹, 岡本裕之, 昆貢広, 高相一輝, 相川亜子, 中村哲志, 飯島康太朗, 千葉貴仁, 中山広貴, 竹森望弘 …

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 35th, 2022
Dosimetric effects of air pockets around vaginal cylinder in HDR-Brachytherapy with heterogeneity corrected dose calculation

千葉貴仁, 千葉貴仁, OKAMOTO Hiroyuki, NAKAMURA Satoshi, MURAKAMI Naoya, IIJIMA Kotaro, NISHIOKA Shie, NAKAYAMA Hiroki, NAKAYAMA Hiroki, TAKEMORI Mihiro …

日本医学物理学会学術大会報文集, 121st, 2021
小型肺癌に対する定位手術的放射線治療の初期経験

山本貴也, 松下晴雄, 角谷倫之, 伊藤謙吾, 千葉貴仁, 梅澤玲, 石川陽二郎, 片桐佑, 武田一也, 田坂俊 …

Japanese Journal of Radiology, 39(Supplement), 2021
食道癌照射後再発に対する過分割照射の有効性と安全性

武田一也, 松下晴雄, 梅澤玲, 山本貴也, 石川陽二郎, 片桐佑, 田坂俊, 鈴木友, 寺村聡司, 川端広聖 …

Japanese Journal of Radiology, 39(Supplement), 2021
MRI画像を用いたJacobian解析による全脳照射後の脳萎縮評価

石川陽二郎, 角谷倫之, 根本光, 細谷祐里, 松下晴雄, 梅澤玲, 山本貴也, 片桐佑, 武田一也, 田坂俊 …

Japanese Journal of Radiology, 39(Supplement), 2021
膵癌に対するMR画像誘導体幹部定位放射線治療による局所制御とその意義

井垣浩, 岡本裕之, 稲葉浩二, 千葉貴仁, 逆井達也, 西岡史絵, 勝田昭一, 伊丹純

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 34th, 2021
Treatment results of stereotactic body radiation therapy for pancreatic cancer using MR guided radiation therapy.

稲葉浩二, 井垣浩, 大熊加惠, 岡本裕之, 西岡史絵, 中村哲志, 飯島康太郎, 千葉貴仁, 中山広貴, 竹森望弘 …

日本放射線外科学会, 12th, 2021
画像誘導治療の今後について MR画像誘導によるリアルタイム腫瘍追跡放射線治療

井垣浩, 岡本裕之, 桑原潤一, 稲葉浩二, 西岡史絵, 逆井達也, 千葉貴仁, 柏原大朗, 高橋加奈, 大熊加惠 …

日本癌治療学会学術集会抄録集, 58回 SY14-2, Oct, 2020
局所型前立腺癌の強度変調放射線治療におけるフルエンスマップに基づく照射野修正法の有効性の検討

山本大晃, 土橋卓, 角谷倫之, 伊藤謙吾, 千葉貴仁, 勝田義之, 佐藤清和, 松下晴雄, 神宮啓一, 武田賢

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 33rd, 2020
回転型強度変調放射線治療のコリメータ角度がinterplay effectに与える影響の検討

小川千尋, 佐藤清和, 坂本博, 千葉貴仁

日本放射線技術学会東北支部雑誌, (29) 237-238, Jan, 2020
前立腺癌におけるIMRTに対する畳み込みニューラルネットワークに基づく線量分布予測法の評価

梶川智博, 角谷倫之, 高山佳樹, 戸森聖治, 伊藤謙吾, 千葉貴仁, 土橋卓, 武田賢, 神宮啓一

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 32nd, 2019
前立腺癌に対する3D-CRTにおけるon-line adaptive radiation therapyの有効性の初期検討

木村祐利, 土橋卓, 石澤儀樹, 角谷倫之, 伊藤謙吾, 千葉貴仁, 高山佳樹, 佐藤清和, 松下晴雄, 神宮啓一 …

日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 31st (CD-ROM), 2018
Impact of rectal gas on the EPID-based in-vivo dosimetry system for IMRT prostate cancer patient

MATSUMOTO Takuya, KADOYA Noriyuki, KON Yoshio, TAKAYAMA Yoshiki, SATO Kiyokazu, ITO Kengo, CHIBA Takahito, DOBASHI Suguru, TAKEDA Ken, JINGU Keiichi

医学物理 Supplement, 38(1), 2018
電磁石による電子線の偏向の測定

今井諒, 明上山温, 千葉貴仁

日本放射線技術学会雑誌, 73(9) 816-816, Sep, 2017
DEVELOPMENT OF PHOTON TRANSPORT CALCULATION METHOD USING VOXEL-BASED BOLTZMANN TRANSPORT EQUATION

Takahito Chiba, Hidetoshi Saitoh, Atsushi Myojoyama

MEDICAL PHYSICS INTERNATIONAL Journal, 2(4) 408-408, Dec, 2016

Presentations

モンテカルロ線量計算のためのリニアック構造内光子輸送に基づく関数線源モデル

石澤儀樹, 土橋卓, 武田賢, 角谷倫之, 伊藤健吾, 千葉貴仁, 髙山佳樹, 佐藤清和, 神宮啓一

第139回日本医学放射線学会北日本地方会, Oct 27, 2018
Development of novel heterogeneous anthropomorphic head and neck phantom using 3D printer for IMRT patient specific quality assurance

Kadoya N, Abe K, Nemoto H, Sato K, Ieko Y, Ito K, Takayama Y, Chiba T, Dobashi S, Takeda K, Jingu K

60th annual meeting of AAPM, Jul 29, 2018
A deep convolutional neural network approach for IMRT dose distribution prediction in prostate cancer patients

Kajikawa T, Kadoya N, Ito K, Takayama Y, Chiba T, Tomori S, Takeda K, Jingu K

60th annual meeting of AAPM, Jul 29, 2018
Determination of optimal similarity metric for deformable image registration between T2-weighted MR images at different time-points in prostate cancer patient

Matsuda S, Kadoya N, Ikeda R, Kajikawa T, Ito K, Chiba T, Takayama Y, Dobashi S, Takeda K, Jingu K

IUPESM 2018 World Congress on Med Phys Bio Eng, Jun 3, 2018
Quantifying the performance of two different types of 3D patient dose reconstruction: machine log-file vs. machine log-file with EPID image

Matsumoto T, Kadoya N, Kon Y, Takayama Y, Ito K, Chiba T, Sato K, Dobashi S, Takeda K, Jingu K

IUPESM 2018 World Congress on Med Phys Bio Eng, Jun 3, 2018
Evaluation of 3D-printed patient specific head and neck phantom for IMRT QA using RADModeler

Abe K, Kadoya N, Nemoto H, Sato K, Ito K, Takayama Y, Chiba T, Dobashi S, Takeda K, Jingu K

Apr 12, 2018
Automated analysis of radiotherapy treatment planning with convolutional neural network for determination of optimal prescribed dose for prostate IMRT patients

Kajikawa T, Kadoya N, Ito K, Chiba T, Takayama Y, Dobashi S, Takeda K, Jingu K

Apr 12, 2018
Evaluation of DIR accuracy between MR images in prostate cancer patients for MR-guided radiotherapy

Matsuda S, Kadoya N, Ikeda R, Kajikawa T, Ito K, Chiba T, Takayama Y, Dobashi S, Takeda K, Jingu K

Apr 12, 2018
Impact of rectal gas on the EPID-based in-vivo dosimetry system for IMRT prostate cancer patient

Matsumoto T, Kadoya N, Kon Y, Takayama Y, Sato K, Ito K, Chiba T, Dobashi S, Takeda K, Jingu K

Apr 12, 2018
Monitoring radiation dose to rectum and bladder using cone-beam CT images obtained by Linac-based kV imager for prostate cancer patients

Kajikawa T, Kadoya N, Takayama Y, Ito K, Chiba T, Takeda K, Jingu K

13th International Workshop on Ionizing Radiation Monitoring, Dec 2, 2017
畳み込みニューラルネットワークを用いた前立腺癌IMRTに対する自動放射線治療計画に向けた初期検討

梶川智博, 角谷倫之, 千葉貴仁, 高山佳樹, 伊藤謙吾, 池田龍太郎, 昆佳良, 武田賢, 土橋卓, 神宮啓一

日本放射線腫瘍学会第30回学術大会, Nov 17, 2017
ボルツマン輸送方程式の決定論的解法を利用した線量計算法~ ボルツマン輸送方程式の決定論的解法の基礎と実装方法 ~

千葉貴仁

国立がん研究センター東病院放射線治療部勉強会, Jul 1, 2017 Invited
Measurement of an energy spectrum of linear accelerator using UVC camera

Kyohei Morita, Takahito Chiba, Atsushi Myojoyama

Apr 14, 2017
Acceleration of the photon transport simulation by voxel-based Boltzmann transport calculation method using parallel computing

Takahito Chiba, Hidetoshi Saitoh, Atsushi Myojoyama

Apr 14, 2017
An image reconstruction method using electron beam mode of linear accelerator

Atsushi Myojoyama, Hidetoshi Saitoh, Takahito Chiba, Masatsugu Hariu

International Conference on Medical Physics 2016, Dec 10, 2016
Development of photon transport calculation method using voxel-based Boltzmann transport equation

Takahito Chiba, Hidetoshi Saitoh, Atsushi Myojoyama

International Conference on Medical Physics 2016, Dec 10, 2016
USBビデオカメラ(UVC)を使用したエネルギースペクトルの測定

森田恭平, 千葉貴仁, 明上山温

第112回日本医学物理学会学術大会, Sep 10, 2016
低MU照射時のMVCBCT画質向上に関する研究

小川龍史, 千葉貴仁, 明上山温

第112回日本医学物理学会学術大会, Sep 9, 2016
電磁石によるシンクロトロン放射を用いたEPID画像の取得底MU照射時のMVCBCT画質向上に関する研究

氏家義文, 明上山温, 千葉貴仁

第112回日本医学物理学会学術大会, Sep 9, 2016
Improvement of calculation accuracy in photon transport using the lattice Boltzmann method

Takahito Chiba, Hidetoshi Saitoh, Atsushi Myojoyama

第111回日本医学物理学会学術大会, Apr 14, 2016

Research Projects

Development of a next-generation brachytherapy assistance system using mixed reality technology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2026
可変型マルチチャンネルアプリケータを用いた強度変調小線源治療法の開発

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2019 - Mar, 2022

千葉貴仁

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