Masumi Umezawa
Papers
1
Total Citations
16
H-Index
1
About
Masumi Umezawa is a leading figure in the advancement of proton beam therapy, with a focused expertise in integrating real-time tumor-tracking technology with precision spot scanning systems. His most cited work, a 2013 study documenting the joint development by Hokkaido University and Hitachi Ltd., details the creation of a compact proton therapy system that marries discrete spot scanning with real-time tumor tracking (RTRT). This breakthrough, supported by a major funding initiative, directly addresses the critical challenge of targeting moving tumors—such as those in the lung or liver—by enabling "gated" irradiation synchronized with the patient's breathing. With 16 citations, this paper has become a foundational reference for researchers and engineers working to enhance the accuracy and reduce the side effects of proton therapy. Umezawa’s contributions are pivotal in the push toward more compact, affordable, and highly precise cancer treatment systems, bridging the gap between advanced engineering and clinical oncology. His work continues to inspire the next generation of medical physicists and radiation oncologists aiming to make proton therapy more accessible and effective.
Research Focus
Key Achievements
Top Papers
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