| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Outline of Final Research Achievements |
Carbon ion beams have a high RBE with high LET radiation, small OER, and low recovery, making them suitable for single irradiation. However, the use of heavy-ion beams in intraoperative irradiation has not been attempted until now because (1) there is no irradiation room directly connected to the operating room, (2) it takes several days or more to create a bolus and collimator when treatment planning must be done with the wound open, and (3) the irradiation direction is fixed and cannot be adjusted to the surgical position. (3) The East Japan Heavy Ion Center , which is the only facility in the world with a direct connection to a general hospital, scanning irradiation, and a rotating gantry that theoretically allows intraoperative heavy ion beam therapy. In this study, it was confirmed that that the requirements for actual treatment, including patient transport routes, CT imaging time, image transfer time, and treatment planning time, were met.
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