Fumiaki Isohashi
Papers
3
Total Citations
45
H-Index
3
About
Fumiaki Isohashi is a leading figure in the field of stereotactic radiosurgery and radiotherapy, with a particular focus on the CyberKnife robotic radiosurgery system. His research centers on improving the precision and efficacy of motion-managed treatments, especially for moving targets like lung tumors. Isohashi’s major contributions include pioneering work on respiratory phase shifts in the CyberKnife Synchrony™ Respiratory Tracking System, where he demonstrated how delays between target motion and external surrogate markers can degrade tracking accuracy—a critical insight for safe and effective treatment delivery. He has also advanced small-field dosimetry by evaluating calibration methods for the Exradin W2 plastic scintillation detector, ensuring accurate dose measurement in CyberKnife’s steep-gradient fields. More recently, his work on stereotactic ablative body radiotherapy (SABR) for metastatic lung tumors has shown that delivering a central high dose using CyberKnife’s multi-directional irradiation can achieve excellent local control while maintaining steep dose gradients. With his most-cited paper garnering 27 citations, Isohashi’s research is widely recognized for its direct clinical impact, helping to refine real-time tracking and dose delivery in one of the most challenging areas of radiation oncology.
Research Focus
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Top Papers
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