Kei Kitamura

Precise and real-time measurement of 3D tumor motion in lung due to breathing and heartbeat, measured during radiotherapy

Hiroki Shirato, Kei Kitamura, Shinichi Shimizu et al. · International Journal of Radiation Oncology*Biology*Physics · 2002 · 1.4K citations

Medicine, Oncology, Radiation Oncology +10

Physical aspects of a real-time tumor-tracking system for gated radiotherapy

Hiroki Shirato, Shinichi Shimizu, Tatsuya Kunieda et al. · International Journal of Radiation Oncology*Biology*Physics · 2000 · 663 citations

Medicine, Nuclear Medicine, Radiation Oncology +14

Four-dimensional treatment planning and fluoroscopic real-time tumor tracking radiotherapy for moving tumor

Hiroki Shirato, Shinichi Shimizu, Kei Kitamura et al. · International Journal of Radiation Oncology*Biology*Physics · 2000 · 463 citations

Medicine, Oncology, Radiation Oncology +13

Intrafractional tumor motion: lung and liver

Hiroki Shirato, Yvette Seppenwoolde, Kei Kitamura et al. · Seminars in Radiation Oncology · 2004 · 391 citations

Medicine, Oncology, Radiology +10

Feasibility of insertion/implantation of 2.0-mm-diameter gold internal fiducial markers for precise setup and real-time tumor tracking in radiotherapy

Hiroki Shirato, Toshiyuki Harada, Tooru Harabayashi et al. · International Journal of Radiation Oncology*Biology*Physics · 2003 · 351 citations

Medicine, Biomedical Engineering, Oncology +16