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近年行っている研究内容

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  • 肝細胞癌に対する定位放射線治療における99mTc-GSA SPECT/CTを用いた線量機能評価(倫理)
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  • 声帯固定を伴わないT3声門癌に対する放射線治療成績と再発形式の検討(倫理)
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  • テーマ
  • 頭頸部腫瘍における画像を用いた病期診断・予後予測能および放射線治療計画精度の向上に関する研究(先進)
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  • 頭頸部腫瘍に対する QUAD shot を用いた姑息的放射線治療に関する研究(倫理)
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  • テーマ
  • 膠芽腫に対する放射線治療における適応放射線治療の有用性の検討
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  • テーマ
  • 種々の有痛性腫瘍病変への放射線治療の疼痛緩和効果を調べる包括的研究(倫理)
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  • テーマ
  • 放射線治療患者における癌性疼痛の原因疾患の検討(倫理)
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  • テーマ
  • 放射線治療の精度管理に関する検討(倫理)
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  • テーマ
  • 有痛性腫瘍病変への放射線治療における調査用紙を用いた有効性評価(倫理)
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  • テーマ
  • 転移性脳腫瘍に対する定位放射線治療におけるExacTracによる位置合わせと腫瘍位置に関する検討(先進)
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業績一覧

英文原著2021
Impact of four-dimensional cone-beam computed tomography on target localization for gastric mucosa-associated lymphoid tissue lymphoma radiotherapy: reducing planning target volume.
Yoshinobu Shimohigashi, Ryo Toya, Tetsuo Saito, Yumiko Kono, Yasuhiro Doi, Yoshiyuki Fukugawa, Takahiro Watakabe, Tadashi Matsumoto, Yudai Kai, Masato Maruyama,
Natsuo Oya
Radiation oncology 16(1)14-14(2021)
英文原著2020
QUAD shot: an effective cyclical hypofractionated palliative radiotherapy for salivary gland carcinoma
Ryo Toya, Tetsuo Saito, Tomohiko Matsuyama, Takahiro Watakabe, Kohsei Yamaguchi, Daizo Murakami, Yumi Honda, Sachiko Mizutari, Yorihisa Orita and Natsuo Oya
BJR case reports 2020;6:20190132 (2020)
英文原著2020
Stereotactic Body Radiotherapy Based on 99mTc-GSA SPECT Image-guided Inverse Planning for Hepatocellular Carcinoma
Yudai Kai, Ryo Toya, Tetsuo Saito, Tomohiko Matsuyama, Yoshiyuki Fukugawa, Shinya Shiraishi, Yoshinobu Shimohigashi, Natsuo Oya
in vivo 34: 3583-3588 (2020)
英文原著2020
Index and Non-index Pain Endpoints in Radiation Therapy for Painful Tumors:
A Secondary Analysis of a Prospective Observational Study
Tetsuo Saito, Naoki Nakamura, Kenta Murotani, Ryo Toya, Kohsei Yamaguchi,
and Natsuo Oya
Advances in Radiation Oncology (2020)
英文原著2020
Inconsistencies in assessment of pain endpoints in radiotherapy for painful tumors: Analysis of original articles in the Green and Red Journals
Tetsuo Saito, Naoto Shikama, Atsunori Yorozu, Hikaru Kubota, Kenta Murotani f, Kohsei Yamaguchi, Natsuo Oya, Naoki Nakamura
Clinical and Translational Radiation Oncology 24 (2020) 111–115

英文原著2020
Hypofractionated palliative volumetric modulated arc radiotherapy with the Radiation Oncology Study Group 8502 “QUAD shot” regimen for incurable head and neck cancer.
Ryo Toya, Tetsuo Saito, Kohsei Yamaguchi, Tomohiko Matsuyama, Takahiro Watakabe, Tadashi Matsumoto, Ryoji Yoshida, Akiyuki Hirosue, Daizo Murakami, Yorihisa Orita, Hideki Nakayama and Natsuo Oya
Radiation Oncology 15, Article number:123 (2020)
英文原著2020
High Spatial Resolution Digital Positron Emission Tomography Images With Dedicated Source-tobackground Algorithm for Radiotherapy Planning
Takahiro Watakabe, Ryo Toya, Tetsuo Saito, Tomohiko Matsuyama, Shinya Shiraishi, Yudai Kai, Yoshinobu Shimohigashi and Natsuo Oya
Anticancer research 40: 2567-2572 (2020)
英文原著2020
Diagnostic Value of FDG-PET/CT for the Identification of Extranodal Extension in Patients With Head and Neck Squamous Cell Carcinoma.
Ryo Toya, Tetsuo Saito, Tomohiko Matsuyama, Yudai Kai, Shinya Shiraishi, Daizo Murakami, Ryoji Yoshida, Takahiro Watakabe, Fumi Sakamoto, Noriko Tsuda, Hidetaka Arimura, Yorihisa Orita, Hideki Nakayama, Natsuo Oya
Anticancer research 40(4) 2073 - 2077 2020年4月
原著論文2019
Saito T.,Yamaguchi K.,Toya R.,Oya N.:Single- Versus Multiple-Fraction Radiation Therapy for Painful Bone Metastases: A Systematic Review and Meta-analysis of Nonrandomized Studies.Adv Radiat Oncol 4:706-715,2019.
原著論文2019
Toya R.,Saito T.,Kai Y.,Shiraishi S.,Matsuyama T.,Watakabe T.,Sakamoto F.,Tsuda N.,Shimohigashi Y.,Yamashita Y.,Oya N.:Impact of (99m)Tc-GSA SPECT Image-Guided Inverse Planning on Dose-Function Histogram Parameters for Stereotactic Body Radiation Therapy Planning for Patients With Hepatocellular Carcinoma: A Dosimetric Comparison Study.Dose Response 17:1559325819832149,2019.
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