Masumi Umezawa

A Proton Beam Therapy System Dedicated to Spot-Scanning Increases Accuracy with Moving Tumors by Real-Time Imaging and Gating and Reduces Equipment Size

Shinichi Shimizu, Naoki Miyamoto, Taeko Matsuura et al. · PLoS ONE · 2014 · 91 citations · Full text

Integration of a real‐time tumor monitoring system into gated proton spot‐scanning beam therapy: An initial phantom study using patient tumor trajectory data

Taeko Matsuura, Naoki Miyamoto, Shinichi Shimizu et al. · Medical Physics · 2013 · 40 citations

Preliminary analysis for integration of spot-scanning proton beam therapy and real-time imaging and gating

Shinichi Shimizu, Taeko Matsuura, Masumi Umezawa et al. · Physica Medica · 2014 · 33 citations

Nuclear Medicine, Medical Imaging, Microscopy +14

Efficiency of respiratory-gated delivery of synchrotron-based pulsed proton irradiation

Yoshikazu Tsunashima, Sastry Vedam, Lei Dong et al. · Physics in Medicine and Biology · 2008 · 31 citations

Nuclear Physics, Conventional Linear Accelerator, Respiratory-gated Delivery +10

Evaluation of the influence of double and triple Gaussian proton kernel models on accuracy of dose calculations for spot scanning technique

Shusuke Hirayama, T. Takayanagi, Yusuke Fujii et al. · Medical Physics · 2016 · 31 citations