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Radiation Oncology Lab
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The lab studies the clinical, physical, and biological aspects of radiation therapy, which treats cancer with radiation.

AboutAbout the lab
Researching radiation therapy that 'cures without cutting'
The Radiation Oncology Lab conducts clinical research, medical physics research, and radiation biology research on radiation therapy, which treats cancer with radiation.
In addition to brachytherapy, the lab focuses on high-precision radiation therapy such as intensity-modulated radiation therapy (IMRT) and stereotactic radiotherapy.
As a department of a university hospital, the lab provides clinical care and conducts research, and also teaches undergraduate students, graduate students, and residents.
In radiation biology, the lab conducts basic research on tumor immunity in radiation therapy and develops new treatments that enhance therapeutic effect.
Key terms
- Intensity-Modulated Radiation Therapy (IMRT)
- High-precision radiation therapy that can deliver radiation shaped to fit the target
- Stereotactic radiotherapy
- Treatment that concentrates radiation on a targeted site. Also called 'pinpoint irradiation'
- Brachytherapy
- A method in which small, grain-like radiation sources are placed inside the cancer to treat it. It limits the effect on normal tissue
NewsLab news
Research by In-house Lecturer Tachikawa published in Signal Transduction and Targeted Therapy
Prof. Ogawa receives the 26th Sugawara Award from the International Society for Cancer Therapy Sensitization Research
Lab members receive the Congress President's Award and the Top Prize at the 39th Annual Scientific Meeting of the Japanese Society of High-Precision External Beam Radiotherapy
ResearchResearch themes
Research on radiation therapy falls into three fields: clinical research, medical physics research, and radiation biology research. This lab conducts research in each of them. It aims to provide the best radiation therapy currently possible while creating the cancer treatments of the future.
*Illustrative imageClinical research by cancer type
The lab conducts clinical research for each cancer type, including brain tumors, head and neck cancer, lung cancer, liver cancer, uterine cancer, prostate cancer, and bone and soft tissue tumors. It also examines treatment outcomes of stereotactic radiotherapy using CyberKnife.
*Illustrative imageMedical physics supporting radiation therapy
The lab studies the prediction of how the delivered radiation dose is distributed inside the body, dose verification for intensity-modulated radiation therapy (IMRT), and quality assurance of irradiation equipment. This work is led by medical physicists, together with graduate students aiming to become medical physicists.
MembersFaculty
The members of the Radiation Oncology Lab consist of faculty, staff physicians, residents in specialty training, research students, graduate students (School of Medicine and Health Sciences), undergraduate students (Health Sciences), Visiting Professors and visiting faculty, Professors Emeriti, and administrative assistants.As of 2026
- ProfessorKazuhiko Ogawa
- Professor (Department of Health Sciences)Yutaka Takahashi
- Associate Professor (Department of Health Sciences)Kazumasa Minami
- LecturerKeisuke Tamari
- Assistant Professor (Intramural Lecturer)Kazuhiko Hayashi
- Project Assistant Professor (Internal Lecturer)Shotaro Tachikawa
- Project Assistant ProfessorYuichi Akino
- Project Assistant ProfessorKoji Ichinose
- Project Assistant ProfessorMidori Yui
- Project Assistant Professor (Cancer Professional Training Program)Shohei Katsuki
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Oncology radiation therapy planning” Dr.khatmando / CC BY-SA 4.0 (cropped)
- Clinical research by cancer type: “Radiation therapy” Dina Wakulchik from Indianapolis, Indiana, USA / CC BY 2.0 (cropped)
- Medical physics supporting radiation therapy: “Varian-like Linear Accelerator for Precision Radiation Therapy” Bot1070 / CC0 (cropped)
- Related lab (Gastroenterological Surgery II Lab): “AfS surgical team at the operating room” Almondbite3 / CC BY-SA 4.0 (cropped)
- Related lab (Neurology Lab): “Neuron (100x magnification)” Ns takes photos / CC BY 4.0 (cropped)
- Related lab (Hospital Clinical Laboratory Medicine Lab): “Clinical Chemistry Analyzer , Клинички биохемиски анализатор 1” Делфина / CC BY-SA 4.0 (cropped)
- Related lab (Nephrology Lab): “Implantable-artificial-kidney-patients-off-dialysis-machines” Katzze.fritz / CC BY-SA 4.0 (cropped)
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