IIZUMI Takashi
- Affiliation
- Institute of Medicine
- Official title
- Specially Appointed Associate Professor
- Research fields
Medical sociology Medical Physics and Radiological Technology Radiation science - Research keywords
High-Precision Radiotherapy Particle Therapy Radiation Biology（DNA damage response pathway, cell metabolism） Radiation Physics Medical Economics - Research projects
Overcoming Pancreatic Cancer through NMDA Receptor Signal Inhibition and Radiotherapy Combined with Hyperthermia 2022-04 -- 2025-03 Takashi Iizumi Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (C) 3,900,000Yen - Career history
2015-04 -- 2018-06 University of Tsukuba HospitalRadiation OncologySenior Resident 2018-07 -- 2018-12 Kanagawa Cancer CenterRadiation OncologySenior Resident 2019-01 -- 2019-03 University of Tsukuba HospitalRadiation OncologySenior Resident 2019-04 -- 2019-06 University of Tsukuba HospitalRadiation OncologyClinical Fellow 2019-06 -- 2023-03 University of Tsukuba HospitalRadiation OncologyClinical Assistant Professor 2023-04 -- 2024-07 University of Tsukuba HospitalRadiation OncologyClinical Lecturer 2024-07 -- 2026-02 National Institutes of Health/National Cancer InstituteRadiation Biology BranchVisiting Fellow 2026-02 -- 2026-03 University of Tsukuba HospitalRadiation OncologyClinical Lecturer 2026-04 -- 2026-09 Ibaraki Prefectural Central HospitalRadiation OncologyChief Physician 2026-10 -- (current) University of TsukubaInstitutes of MedicineSpecially Appointed Associate Professor - Academic background
1998-04 -- 2003-03 Yamaguchi University Economics International Economics 2007-04 -- 2013-03 University of Toyama Medicine Medicine - Degree
2003-03 Bachelor of Economics Yamaguchi University 2022-07 Medical Science, Doctor of Philosophy University of Tsukuba - Licenses and qualifications
2013-04 medical license 2020-09 Qualified Radiation Oncologist (The Japanese Radiation Society) 2023-04 Board Certified Hepatologist of the Japan Society of Hepatology - Honors & Awards
2023-08 Best Original Article Publication in Journal of Medical Radiation Sciences 2018-03 Best Presentation Award of Kanto Hyperthermia Study Group 2017-11 Best Educational Presentation Award of Japanese Society for Radiation Oncology - Articles
- Association of Chronological Age and Comorbidity Burden with Outcomes After Proton Beam Therapy for Hepatocellular Carcinoma
Shirataki Haruka; Mizumoto Masashi; Iizumi Takashi; Saito...
Cancers/18(18)/p.3005, 2026-09-16 - Prognostic Impact of Arterial Phase Hyperenhancement After Proton Beam Therapy for Untreated Solitary Hepatocellular Carcinoma
Niitsu Hikaru; Mizumoto Masashi; Li Yinuo; Harada Masahi...
Cancer medicine/15(9)/p.e72242, 2026-09-01 - Image-guided moderately hypofractionated proton beam therapy for localized prostate cancer: 5-year outcomes of a phase II trial
Iizumi Takashi; Ishikawa Hitoshi; Sekino Yuta; Murakam...
Journal of radiation research, 2026-07-23 - Proton Beam Therapy for Untreated Hepatocellular Carcinoma Unsuitable for Transcatheter Arterial Chemoembolization
Niitsu Hikaru; Makishima Hirokazu; Hasegawa Naoyuki; I...
Liver cancer/15(3)/pp.371-380, 2026-06-01 - Proton beam therapy for patients with distal cholangiocarcinoma: a multicenter prospective registry study (Influence of age factor)
Yamazaki Hideya; Shibuya Kei; Kimoto Takuya; Suzuki M...
JOURNAL OF RADIATION RESEARCH, 2026-04-20 - Proton Beam Therapy Versus Photon Radiotherapy for Pediatric Neuroblastoma: A Systematic Review and Meta-Analysis (TRP-2025 Neuroblastoma)
Nitta Hazuki; Mizumoto Masashi; Maruo Kazushi; Oshiro Yo...
Cancer medicine/15(3), 2026-03-09 - Role of Particle Therapy for Intrahepatic Cholangiocarcinoma; Meta-Analysis for Comparison with Standard Therapy: TRP-Intrahepatic Cholangiocarcinoma 2025
Mizumoto Masashi; Oshiro Yoshiko; Maruo Kazushi; Li Y...
Liver cancer/15(1)/pp.135-148, 2026-02-01 - Proton Beam Therapy for Intrahepatic and Perihilar Cholangiocarcinoma: A Multicenter Prospective Registry Study: Potential Candidates for High-Dose Proton Beam Therapy
Yamazaki Hideya; Shibuya Kei; Kimoto Takuya; Suzuki Moto...
International journal of radiation oncology, biology, physics/125(3)/pp.833-840, 2025-12-04 - A systematic review and meta-analysis of x-ray therapy versus proton beam therapy for pediatric central nervous system germ cell tumors: TRP-Germinoma 2025
Hosaka Sho; Mizumoto Masashi; Fukushima Hiroko; Iizumi T...
International journal of clinical oncology/30/pp.1906-1915, 2025-08-21 - Tumor shrinkage after simultaneous proton therapy for multiple hepatocellular carcinomas
Niitsu Hikaru; Mizumoto Masashi; Li Yinuo; Sumiya Tai...
JOURNAL OF RADIATION RESEARCH, 2025-07-23 - Updated Japanese multicenter registry study evaluates the efficacy and safety of proton beam therapy for treating extrahepatic cholangiocarcinoma
Yamazaki Hideya; Shibuya Kei; Kimoto Takuya; Suzuki M...
Scientific reports/15(1), 2025-07-02 - Systematic Review and Meta-Analysis of Proton Beam Therapy Versus Photon Radiotherapy for Medulloblastoma: TRP-Medulloblastoma 2025
Li Yinuo; Mizumoto Masashi; Oshiro Yoshiko; Maruo Kazush...
Cancers/17(13)/p.2191, 2025-06-29 - Systematic review and meta-analysis of photon radiotherapy versus proton beam therapy for pediatric rhabdomyosarcoma: TRP-rhabdomyosarcoma 2024
Fukushima Hiroko; Mizumoto Masashi; Hosaka Sho; Li Yinuo...
International journal of clinical oncology, 2025-06-10 - Primary adenocarcinoma of the lacrimal sac with 5-year recurrence-free survival after radiation therapy alone: a case report
Takizawa Daichi; Ohnishi Kayoko; Hiratsuka Kentaro; Ma...
INTERNATIONAL CANCER CONFERENCE JOURNAL/Epub, 2025-01-24 - Systematic review and meta-analysis of photon radiotherapy versus proton beam therapy for pediatric intracranial ependymoma: TRP-ependymoma 2024
Mizumoto Masashi; Hosaka Sho; Nakai Kei; Li Yinuo; Os...
Heliyon/10(22), 2024-11-30 - Visualization of spatial dose distribution for effective radiation protection education in interventional radiology: obtaining high-accuracy spatial doses
Mori Yutaro; Isobe Tomonori; Ide Yasuwo; Uematsu Shut...
Physical and engineering sciences in medicine/Epub, 2024-09-09 - Systematic Review and Meta-Analysis of Particle Beam Therapy versus Photon Radiotherapy for Skull Base Chordoma: TRP-Chordoma 2024
Saito Takashi; Mizumoto Masashi; Oshiro Yoshiko; Shimi...
Cancers/16(14), 2024-07-17 - Proton Beam Therapy for Treating Patients with Hepatocellular Carcinoma with Major Portal Vein Tumor Invasion: A Single Center Retrospective Study
Ishida Toshiki; Mizumoto Masashi; Saito Takashi; Okumu...
CANCERS/16(11)/p.2050, 2024-05-29 - Moderately hypofractionated proton beam therapy for localized prostate cancer: 5-year outcomes of a phase II trial
Murakami Motohiro; Ishikawa Hitoshi; Sekino Yuta; Nish...
JOURNAL OF RADIATION RESEARCH/65(3)/pp.402-407, 2024-05-12 - Late Changes in Renal Volume and Function after Proton Beam Therapy in Pediatric and Adult Patients: Children Show Significant Renal Atrophy but Deterioration of Renal Function Is Minimal in the Long-Term in Both Groups
Li Yinuo; Mizumoto Masashi; Nitta Hazuki; Fukushima H...
Cancers/16(9), 2024-04-24 - A systematic review and meta-analysis of radiotherapy and particle beam therapy for skull base chondrosarcoma: TRP-chondrosarcoma 2024
Nakamura Masatoshi; Mizumoto Masashi; Saito Takashi; Shim...
FRONTIERS IN ONCOLOGY/14/p.1380716, 2024-03-19 - Tumor Response on Diagnostic Imaging after Proton Beam Therapy for Hepatocellular Carcinoma
Niitsu Hikaru; Mizumoto Masashi; Li Yinuo; Nakamura M...
CANCERS/16(2)/p.357, 2024-01-14 - A case of massive hemoptysis caused by lung cancer saved by V‑V ECMO and hemostasis achieved by radiotherapy
Takizawa Daichi; Ishida Toshiki; Nakano Hidehiko; Tach...
INTERNATIONAL CANCER CONFERENCE JOURNAL/13(1)/pp.54-57, 2023-11-02 - Analysis of the cost-effectiveness of proton beam therapy for unresectable pancreatic cancer in Japan
Hiroshima Yuichi; Kondo Masahide; Sawada Takuya; Hoshi...
CANCER MEDICINE/12(20)/pp.20450-20458, 2023-10-05 - Retrospective Analysis of the Areas Responsible for Light Flash and Odor During Proton Beam Therapy and Photon Therapy
Oshiro Yoshiko; Mizumoto Masashi; Miyamoto Toshio; Sum...
CUREUS JOURNAL OF MEDICAL SCIENCE/15(9), 2023-09-06 - more...
- Association of Chronological Age and Comorbidity Burden with Outcomes After Proton Beam Therapy for Hepatocellular Carcinoma
(Last updated: 2026-10-20)