Seiji Ohta
Papers
2
Total Citations
34
H-Index
2
About
Seiji Ohta is a leading researcher in medical physics, specializing in the precision of image-guided robotic radiosurgery. His work centers on the CyberKnife Synchrony Respiratory Tracking System (SRTS), a technology critical for treating moving tumors. Ohta’s major contributions include developing a novel system using beam’s eye view images to measure respiratory motion tracking errors, directly addressing the patient-dependent accuracy of the SRTS. His research reveals how the system’s reliance on a correlation between internal tumor position and external marker position, along with predictive compensation methods, introduces variability. By identifying and quantifying these factors, Ohta has provided essential insights for improving treatment accuracy. His most-cited paper (2015, 19 citations) established a new method for error measurement, while his 2019 work (15 citations) further analyzed accuracy-affecting factors. These studies have significant implications for enhancing the reliability of radiosurgery in lung, liver, and pancreatic cancers. Ohta’s meticulous approach to error analysis makes him a key figure in advancing real-time adaptive radiotherapy, ensuring safer and more effective treatments for patients with mobile tumors.
Research Focus
Key Achievements
Top Papers
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