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Results for "Yoichi Watanabe": 3 found

Estimation of Brain Tumor’s Intra-Fraction Movement during Radiosurgery Using Fiducial Markers on the Skin Surface – a Simulation Study

Authors: Damien C. Mathew, Brandon Hai Nguyen, Satwik Pani, Yoichi Watanabe

Affiliation: Minnespolis Radiation Oncology, Department of Radiation Oncology, University of Minnesota Medical School, Washington University

Abstract Preview: Purpose: To formulate a computational algorithm to quantify the tumor movement from the motion data of landmarks on the brain surface. To estimate the magnitude of tumor movement when the head makes a...

Explaining the Normal Tissue Sparing of Flash By Oxygen Fixation Hypothesis

Authors: Daisuke Kawahara, Yoichi Watanabe

Affiliation: Department of Radiation Oncology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Department of Radiation Oncology, University of Minnesota Medical School

Abstract Preview: Purpose: To theoretically demonstrate that FLASH dose delivery leads to higher normal tissue sparing than conventional dose rates.
Methods: A two-component kinetic model was built for target and da...

Innovative in-Silico Modeling for Timing Immunotherapy in Radiotherapy-Combined Treatments

Authors: Daisuke Kawahara, Yoichi Watanabe

Affiliation: Department of Radiation Oncology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Department of Radiation Oncology, University of Minnesota Medical School

Abstract Preview: Purpose: Combination therapies with immunotherapy (IT) and radiotherapy (RT) are widely used, but the optimal IT timing is unclear. This study leverages a computational cellular automaton (CA) model, ...