Graduate School of Health Sciences Health Sciences Professor
Faculty of Medicine School of Health Sciences Radiological Technology Professor
Updated on 2025/01/14
博士(医学) ( 2007.1 新潟大学 )
Radiation Oncology
Life Science / Radiological sciences
Niigata University Faculty of Medicine School of Health Sciences Radiological Technology Professor
2012.4
Niigata University Graduate School of Health Sciences Health Sciences Professor
2012.4
Niigata University University Medical and Dental Hospital Radiology Lecturer
2008.8 - 2012.3
Niigata University University Medical and Dental Hospital Assistant Professor
2003.10 - 2008.7
日本医学放射線学会
日本放射線腫瘍学会
日本食道学会
日本癌治療学会
Prediction of patient‐specific quality assurance for volumetric modulated arc therapy using radiomics‐based machine learning with dose distribution Reviewed
Natsuki Ishizaka, Tomotaka Kinoshita, Madoka Sakai, Shunpei Tanabe, Hisashi Nakano, Satoshi Tanabe, Sae Nakamura, Kazuki Mayumi, Shinya Akamatsu, Takayuki Nishikata, Takeshi Takizawa, Takumi Yamada, Hironori Sakai, Motoki Kaidu, Ryuta Sasamoto, Hiroyuki Ishikawa, Satoru Utsunomiya
Journal of Applied Clinical Medical Physics 2023.11
DCNNによる腹部CT冠状断面画像における外傷性出血有無の自動分類 Reviewed
宮澤 幸太郎, 近藤 世範, 能登 義幸, 酒井 健一, 高橋 直也, 笹本 龍太
医用画像情報学会雑誌 40 ( 3 ) 56 - 60 2023.9
Sae Nakamura, Madoka Sakai, Natsuki Ishizaka, Kazuki Mayumi, Tomotaka Kinoshita, Shinya Akamatsu, Takayuki Nishikata, Shunpei Tanabe, Hisashi Nakano, Satoshi Tanabe, Takeshi Takizawa, Takumi Yamada, Hironori Sakai, Motoki Kaidu, Ryuta Sasamoto, Hiroyuki Ishikawa, Satoru Utsunomiya
Journal of Applied Clinical Medical Physics 2023.8
Relationship between absorbed dose and changes in liver volume after chemoradiotherapy for esophageal cancer.
Yusaku Miki, Naoya Takahashi, Satoru Utsunomiya, Ryuta Sasamoto
Japanese journal of radiology 2022.12
Introduction of Medical Physics Group at Niigata University
UTSUNOMIYA Satoru, TANABE Satoshi, NAKANO Hisashi, SAKAI Madoka, TANABE Shunpei, TAKIZAWA Takeshi, KUSHIMA Naotaka, NARITA Akihiro, HAYAKAWA Takahide, SASAMOTO Ryuta
Japanese Journal of Medical Physics (Igakubutsuri) 41 ( 4 ) 195 - 200 2021.12
Hisashi Nakano, Satoshi Tanabe, Ryuta Sasamoto, Takeshi Takizawa, Satoru Utsunomiya, Madoka Sakai, Toshimichi Nakano, Atsushi Ohta, Motoki Kaidu, Hiroyuki Ishikawa
Journal of Applied Clinical Medical Physics 22 ( 7 ) 266 - 275 2021.6
Tomoya Oshikane, Motoki Kaidu, Eisuke Abe, Atsushi Ohta, Hirotake Saito, Toshimichi Nakano, Moe Honda, Satoshi Tanabe, Satoru Utsunomiya, Ryuta Sasamoto, Fumio Ishizaki, Takashi Kasahara, Tsutomu Nishiyama, Yoshihiko Tomita, Hidefumi Aoyama, Hiroyuki Ishikawa
Journal of Radiation Research 62 ( 3 ) 525 - 532 2021.5
Hisashi Nakano, Satoshi Tanabe, Takumi Yamada, Satoru Utsunomiya, Takeshi Takizawa, Madoka Sakai, Ryuta Sasamoto, Hironori Sakai, Toshimichi Nakano, Hirotake Saito, Atsushi Ohta, Motoki Kaidu, Hiroyuki Ishikawa
Radiological Physics and Technology 14 ( 1 ) 57 - 63 2021.3
Madoka Sakai, Hisashi Nakano, Daisuke Kawahara, Satoshi Tanabe, Takeshi Takizawa, Akihiro Narita, Takumi Yamada, Hironori Sakai, Masataka Ueda, Ryuta Sasamoto, Motoki Kaidu, Hidefumi Aoyama, Hiroyuki Ishikawa, Satoru Utsunomiya
Medical Physics 48 ( 3 ) 991 - 1002 2021.3
Hisashi Nakano, Satoshi Tanabe, Satoru Utsunomiya, Takumi Yamada, Ryuta Sasamoto, Toshimichi Nakano, Hirotake Saito, Takeshi Takizawa, Hironori Sakai, Atsushi Ohta, Eisuke Abe, Motoki Kaidu, Hidefumi Aoyama
Journal of Applied Clinical Medical Physics 21 ( 12 ) 155 - 165 2020.12
Journal of Health Sciences of Niigata University 17 ( 1 ) 35 - 46 2020.3
Hirotake Saito, Ryusuke Shodo, Keisuke Yamazaki, Kouji Katsura, Yushi Ueki, Toshimichi Nakano, Tomoya Oshikane, Nobuko Yamana, Satoshi Tanabe, Satoru Utsunomiya, Atsushi Ohta, Eisuke Abe, Motoki Kaidu, Ryuta Sasamoto, Hidefumi Aoyama
Clinical and Translational Radiation Oncology 20 13 - 18 2020.1
当院の前立腺癌照射法別治療成績の各リスク分類・因子における比較検討 外照射併用HDR-BT vs. IMRT単独
押金 智哉, 海津 元樹, 阿部 英輔, 丸山 克也, 太田 篤, 斎藤 紘丈, 中野 智成, 後藤 侑世, 青山 英史, 棚邊 哲史, 宇都宮 悟, 笹本 龍太
臨床放射線 64 ( 6 ) 831 - 840 2019.5
Satoshi Tanabe, Haruna Takahashi, Hirotake Saito, Atsushi Ohta, Toshimichi Nakano, Ryuta Sasamoto, Miki Shioi, Satoru Utsunomiya, Eisuke Abe, Motoki Kaidu, Hidefumi Aoyama
Journal of Radiation Research 60 ( 2 ) 249 - 256 2019.3
Hayakawa Takahide, Yamada Takumi, Sakai Hironori, Sasamoto Ryuta
Japanese Journal of Radiological Technology 75 ( 12 ) 1426 - 1436 2019
Development of Monitoring Method of Respiratory Waveform in Thoracicoabdominal Part Using Web Camera Reviewed
Lee Yongbum, Hayakawa Takahide, Sasamoto Ryuta
Japanese Journal of Radiological Technology 74 ( 11 ) 1286 - 1292 2018.11
The impact of irradiation field shape on isodose line deviation due to random geometrical uncertainties in radiotherapy Reviewed
Ryuta Sasamoto
Journal of Health Sciences of Niigata University 15 ( 1 ) 57 - 65 2018.3
Definitive chemoradiotherapy with low-dose continuous 5-fluorouracil reduces hematological toxicity without compromising survival in esophageal squamous cell carcinoma patients
Hirotake Saito, Atsushi Ohta, Eisuke Abe, Motoki Kaidu, Miki Shioi, Toshimichi Nakano, Tomoya Oshikane, Kensuke Tanaka, Katsuya Maruyama, Naotaka Kushima, Satoshi Tanabe, Satoru Utsunomiya, Ryuta Sasamoto, Hidefumi Aoyama
Clinical and Translational Radiation Oncology 9 12 - 17 2018.2
悪性神経膠腫における正常脳の正常組織障害発生確率を用いた強度変調回転放射線療法の適応基準の検討
高橋 春奈, 棚邊 哲史, 斎藤 紘丈, 太田 篤, 中野 智成, 笹本 龍太, 宇都宮 悟, 阿部 英輔, 梅津 元樹, 青山 英史
定位的放射線治療 22 125 - 133 2018.1
Sasamoto Ryuta, Utsunomiya Satoru, Hayakawa Takahide
14 ( 1 ) 9 - 15 2017.3
Respiratory gating and multifield technique radiotherapy for esophageal cancer Reviewed
Atsushi Ohta, Motoki Kaidu, Satoshi Tanabe, Satoru Utsunomiya, Ryuta Sasamoto, Katsuya Maruyama, Kensuke Tanaka, Hirotake Saito, Toshimichi Nakano, Miki Shioi, Haruna Takahashi, Naotaka Kushima, Eisuke Abe, Hidefumi Aoyama
Japanese Journal of Radiology 35 ( 3 ) 95 - 100 2017.3
Takahashi Naoya, Kobayashi Arashi, Nishihama Saori, Minamizawa Natsuki, Suzuki Noriko, Higuchi Takeshi, Ohkubo Masaki, Narita Akihiro, Sasamoto Ryuta
新潟大学保健学雑誌 14 ( 1 ) 27 - 33 2017.3
Two-fraction high-dose-rate brachytherapy within a single day combined with external beam radiotherapy for prostate cancer: Single institution experience and outcomes Reviewed
Junyang Liu, Motoki Kaidu, Ryuta Sasamoto, Fumio Ayukawa, Nobuko Yamana, Hiraku Sato, Kensuke Tanaka, Gen Kawaguchi, Atsushi Ohta, Katsuya Maruyama, Eisuke Abe, Takashi Kasahara, Tsutomu Nishiyama, Yoshihiko Tomita, Hidefumi Aoyama
Journal of Radiation Research 57 ( 3 ) 280 - 287 2016.6
治療計画用CTの空間分解能がMU値計算に与える影響 微小肺結節シミュレーション画像を用いた検討
重田 尚吾, 笹本 龍太, 大久保 真樹, 早川 岳英, 沼田 彩美, 和田 真一, 宇都宮 悟, 青山 英史, 棚邊 哲史
日本放射線技術学会東北部会雑誌 ( 25 ) 176 - 176 2016.1
Initial implementation of the conversion from the energy-subtracted CT number to electron density in tissue inhomogeneity corrections: An anthropomorphic phantom study of radiotherapy treatment planning Reviewed
Masayoshi Tsukihara, Yoshiyuki Noto, Ryuta Sasamoto, Takahide Hayakawa, Masatoshi Saito
MEDICAL PHYSICS 42 ( 3 ) 1378 - 1388 2015.3
The effectiveness of endoscopic submucosal dissection followed by chemoradiotherapy for superficial esophageal cancer. International journal
Gen Kawaguchi, Ryuta Sasamoto, Eisuke Abe, Atsushi Ohta, Hiraku Sato, Kensuke Tanaka, Katsuya Maruyama, Motoki Kaizu, Fumio Ayukawa, Nobuko Yamana, Junyang Liu, Manabu Takeuchi, Masaaki Kobayashi, Hidefumi Aoyama
Radiation oncology (London, England) 10 31 - 31 2015.1
Salvage endoscopic submucosal dissection in patients with local failure after chemoradiotherapy for esophageal squamous cell carcinoma. International journal
Manabu Takeuchi, Masaaki Kobayashi, Satoru Hashimoto, Ken-Ichi Mizuno, Gen Kawaguchi, Ryuta Sasamoto, Hidefumi Aoyama, Yutaka Aoyagi
Scandinavian journal of gastroenterology 48 ( 9 ) 1095 - 101 2013.9
限局性の前立腺癌に対する高線量率組織内照射療法による急性期有害事象の検討
海津 元樹, 丸山 克也, 小日向 美華, 山名 展子, 西山 勉, 笠原 隆, 佐藤 啓, 田中 研介, 川口 弦, 阿部 英輔, 笹本 龍太, 青山 英史
臨床放射線 58 ( 5 ) 717 - 723 2013.5
新潟大学における、前立腺癌高線量率組織内照射療法の初期治療経験
笠原 隆, 西山 勉, 笹本 龍太, 海津 元樹, 丸山 克也, 小日向 美華, 青山 英史, 高橋 公太
泌尿器外科 25 ( 8 ) 1663 - 1666 2012.8
Clinical practice and outcome of radiotherapy for esophageal cancer between 1999 and 2003: the Japanese Radiation Oncology Study Group (JROSG) Survey Reviewed
Yasumasa Nishimura, Ryuta Koike, Kazuhiko Ogawa, Ryuta Sasamoto, Yuji Murakami, Yoshiyuki Itoh, Yoshiharu Negoro, Satoshi Itasaka, Toru Sakayauchi, Tetsuro Tamamoto
INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY 17 ( 1 ) 48 - 54 2012.2
Endoscopic submucosal dissection as salvage therapy of local and superficial recurrence after chemoradiotherapy for esophageal cancer
Manabu Takeuchi, Masaaki Kobayashi, Ryuta Sasamoto, Satoru Hashimoto, Yuichi Sato, Gen Watanabe, Rintaro Narisawa, Yoichi Ajioka, Yutaka Aoyagi
Endoscopic Forum for Digestive Disease 26 ( 2 ) 151 - 156 2010.10
Elevation of serum carcinoembryonic antigen level in a patient with hypothyroidism after radiation therapy for cervical esophageal cancer Reviewed
Gen Kawaguchi, Eisuke Abe, Ryuta Sasamoto, Keisuke Sasai
INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY 15 ( 1 ) 104 - 108 2010.2
An esophageal squamous cell carcinoma patient with high serum granulocyte-colony stimulating factor level: Report of a case
Tadashi Tanabe, Tatsuo Kanda, Noriko Ishihara, Shin-Ichi Kosugi, Atsushi Matsuki, Gen Watanabe, Ryuta Sasamoto, Katsuyoshi Hatakeyama
Esophagus 6 ( 4 ) 253 - 258 2009.12
Retrospective review of surgery and definitive chemoradiotherapy in patients with squamous cell carcinoma of the thoracic esophagus aged 75 years or older. International journal
Shin-Ichi Kosugi, Ryuta Sasamoto, Tatsuo Kanda, Atsushi Matsuki, Katsuyoshi Hatakeyama
Japanese journal of clinical oncology 39 ( 6 ) 360 - 6 2009.6
Long-term results of chemoradiotherapy for locally advanced esophageal cancer, using daily low-dose 5-fluorouracil and cis-diammine-dichloroplatinum (CDDP) Reviewed
Ryuta Sasamoto, Kunio Sakai, Hideki Inakoshi, Hiroo Sueyama, Mari Saito, Tadashi Sugita, Emiko Tsuchida, Takeshi Ito, Yasuo Matsumoto, Tadayoshi Yamanoi, Eisuke Abe, Nobuko Yamana, Keisuke Sasai
INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY 12 ( 1 ) 25 - 30 2007.2
Risk factors for enlargement of cardiac silhouette on chest radiography after radiotherapy for esophageal cancer Reviewed
Ryuta Sasamoto, Emiko Tsuchida, Tadashi Sugita, Yasuo Matsumoto, Eisuke Abe, Keisuke Sasai
Radiation Medicine - Medical Imaging and Radiation Oncology 24 ( 6 ) 431 - 437 2006.7
Results of radiation therapy for superficial esophageal cancer using the standard radiotherapy method recommended by the Japanese Society of Therapeutic Radiology and Oncology (JASTRO) Study Group
Kenji Nemoto, Shogo Yamada, Masamichi Nishio, Masahiko Aoki, Ryuji Nakamura, Yasuo Matsumoto, Ryuta Sasamoto, Yoshihiro Saitoh, Makoto Takayama, Norio Mitsuhashi, Kohtaro Gomi, Naoto Kanesaka, Masao Kobayashi, Hiroshi Ohnishi, Shigeru Sasaki, Hiroyasu Tamamura, Michihide Mitsumori, Yasumasa Nishimura, Kayoko Tsujino, Mitsuhiro Takemoto, Nobue Uchida, Michinori Yamamoto, Yoshiyuki Shioyama, Kohichi Hirakawa, Seiji Ono
Anticancer Research 26 ( 2 B ) 1507 - 1512 2006.3
Concurrent chemoradiotherapy using low-dose continuous infusion of 5-fluorouracil for postoperative regional lymph node recurrence of esophageal squamous cell carcinoma Reviewed
Emiko Tsuchida, Kunio Sakai, Yasuo Matsumoto, Tadashi Sugita, Ryuta Sasamoto, Tadayoshi Yamanoi, Hiroo Sueyama, Takeshi Ito, Keisuke Sasai
Esophagus 2 ( 1 ) 25 - 31 2005.3
Research group report: Results of radiation therapy for superficial esophageal cancer using standard radiotherapy method recommended by jastro study group — An interim analysis—
Kenji Nemoto, Shogo Yamada, Masamichi Nishio, Masahiko Aoki, Ryuji Nakamura, Yasuo Matsumoto, Ryuta Sasamoto, Yoshihiro Saito, Makoto Takayama, Norio Mitsuhashi, Kotaro Gomi, Naoto Kanesaka, Masao Kobayashi, Shiho Tanaka, Shigeru Sasaki, Hiroyasu Tamamura, Michihide Mitsumori, Yasumasa Nishimura, Kayoko Tsujino, Mitsuhiro Takemoto, Nobue Uchida, Michinori Yamamoto, Yoshiyuki Shioyama, Koichi Hirakawa, Seiji Ono
Journal of JASTRO 17 ( 3 ) 187 - 193 2005
A case report of giant cell reparative granuloma treated with radiation therapy
Yasuo Matsumoto, Tadayoshi Yamanoi, Emiko Tsuchida, Tadashi Sugita, Ryuta Sasamoto
Journal of JASTRO 15 ( 2 ) 151 - 154 2003.6
SASAMOTO Ryuta
J Jpn Soc Ther Radiol Oncol 14 ( 3 ) 153 - 160 2002
Radiation therapy for low-grade gliomas: An analysis of prognostic factors and complications Reviewed
Emiko Tsuchida, Kunio Sakai, Ryuta Sasamoto, Yasuo Matsumoto, Tadashi Sugita, Takeshi Ito
Journal of JASTRO 13 ( 3 ) 163 - 169 2001
Oral hygiene care of patients with oral cancer during postoperative irradiation: An alleviating effect on acute radiation mucositis Reviewed
Kouji Katsura, Noriko Masuko, Tadashi Sugita, Takafumi Hayashi, Kunio Sakai, Emiko Tsuchida, Yasuo Matsumoto, Ryuta Sasamoto
Journal of JASTRO 12 ( 3 ) 229 - 235 2000
Sasamoto Ryuta, Koizumi Naoya, Sakai Kunio, Kihara Yoshinori, Saito Tomoo, Morita Tetsuro, Matsuzuki Yoshiko, Usuda Hiroyuki, Naito Makoto, Emura lwao
Japanese Journal of Lung Cancer 38 ( 2 ) 99 - 107 1998
SAITO Mari, SASAMOTO Ryuta, YOKOYAMA Akira, KURITA Yuzo, MITSUMA Satoru, TSUKADA Hiroko, YAMASHITA Takashi, FURUKAWA Masahiko, FUWA Nobukazu
J Jpn Soc Ther Radiol Oncol 10 ( 2 ) 135 - 143 1998
Development of contactless respiratory monitoring method using web camera in radiation therapy
116 ( 393 ) 97 - 100 2017.1
Long-term results of radiotherapy for pituitary adenomas-Evaluation of tumor control and hypopituitarism after radiotherapy
Emiko TSUCHIDA, Kunio SAKAI, Yasuo MATSUMOTO, Tadashi SUGITA, Ryuta SASAMOTO
J Jpn, Soc, Ther, Radiol. On Cocol 11 ( 3 ) 215 - 222 1999
Verification of effective skin care for radiation skin damage
Grant number:22H03385
2022.4 - 2025.3
System name:Grants-in-Aid for Scientific Research
Research category:Grant-in-Aid for Scientific Research (B)
Awarding organization:Japan Society for the Promotion of Science
Grant amount:\16120000 ( Direct Cost: \12400000 、 Indirect Cost:\3720000 )
Development of a Predictive Assay for Radiosensitivity of Esophageal and Head and Neck Cancers and Modification of the Sensitivity Using Anti-c-erbB 2 Compounds
Grant number:16390335
2004 - 2006
System name:Grants-in-Aid for Scientific Research
Research category:Grant-in-Aid for Scientific Research (B)
Awarding organization:Japan Society for the Promotion of Science
SASAI Keisuke, MATSUMOTO Masaharu, TSUCHIDA Emiko, SASAMOTO Ryuta
Grant amount:\7400000 ( Direct Cost: \7400000 )
We are developing predictive methods for results of radiation therapy for esophageal and head and neck cancers. We retrospectively analyzed treatment outcomes for patients with esophageal cancer. We also tested the effects of trastuzumab, an anti-c-erbB-2 monoclonal antibody, as well as other compounds on the radiosensitivity of 6 esophageal squamous cell carcinoma cell lines.
The retrospective analysis consisted of 68 patients with esophageal squamous cell carcinoma. There was no significant relation between expression of cell surface proteins and the clinical outcome. Severe adverse effect of radiation therapy, such as cardiomegaly or heart failure, was related solely related to the size of the radiation field.
On in vitro analysis, we could not demonstrate any radiosensitizing effects of trastuzumab or other 2 c-erbB-2 inhibitors including AG1478. To develop an improved predictive method of the effects of radiation, we tested the usefulness of micronucleus assay in 6 different esophageal squamous cell carcinoma cells. However, We could not detect any significant relationship between the number of micronuclei after irradiation and the radiosensitivity of the cancer cells.
実践臨床画像学
放射線撮影技術学III
放射線治療技術学演習
電磁気学特論
医学と医療の歴史
放射線撮影技術学実習
医学物理学演習
保健学特定研究(放射線技術科学)
放射線治療医学物理臨床実習
放射線腫瘍学特講演習
がん看護学特論I
保健学総合
臨床腫瘍学特講I
臨床腫瘍学特講II
医療と放射線
疾病の原因と成り立ち
医学物理学総論
放射線撮影技術学実習
ケアの基本理念と実際
放射線撮影技術学演習
放射線生物学及び演習
放射線科学セミナー
がん看護学特論Ⅰ
保健学特別研究(放射線技術科学)
医療英語(放射)
卒業研究
放射線治療医学物理臨床実習
臨床腫瘍学特講Ⅰ
臨床腫瘍学特講Ⅱ
放射線腫瘍学特論
医学物理臨床実習
放射線腫瘍学特講
放射線腫瘍学演習
医学物理学入門
医用放射線科学概論
スタディスキルズ (放射)
医療と放射線
放射線腫瘍学特講演習
基礎放射線医学
放射線治療技術学Ⅲ
放射線治療計画法演習
放射線治療技術学Ⅰ
放射線治療技術学実習
医学物理学特論
疾病の予防と治療
放射線治療技術学Ⅱ
放射線治療学演習
放射線診療技術科学特別研究
放射線治療学特論