全部文献期刊会议图书|学者科研项目
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作者:Kenji Takayama , Hiroshi Onishi ...
来源:[J].International Journal of Clinical Oncology(IF 1.727), 2017, Vol.22 (5), pp.849-856
摘要:To investigate the maximum tolerated dose (MTD) and recommended dose (RD) of stereotactic body radiation therapy (SBRT) for centrally located stage IA non-small cell lung cancer (NSCLC).
作者:Kenji Takayama , Hiroaki Tanabe ...
来源:[J].Medical Dosimetry(IF 1.009), 2017
摘要:Abstract(#br)Dose verification for a gimbal-mounted image-guided radiotherapy system, Vero4DRT (Mitsubishi Heavy Industries Ltd., Tokyo, Japan) is usually carried out by pretreatment measurement. Independent verification calculations using Monte Carlo methods for Vero4DRT ha...
作者:Kenji Takayama , Nami Ueki ...
来源:[J].Radiotherapy and Oncology(IF 4.52), 2015, Vol.117 (3), pp.496-500
摘要:Abstract(#br)Purpose(#br)Dynamic tumor-tracking stereotactic body radiotherapy (DTT-SBRT) for liver tumors with real-time monitoring was carried out using a gimbal-mounted linear accelerator and the efficacy of the system was determined. In addition, four-dimensional (4D) do...
作者:Kenji Takayama , Kazuhito Ueki ...
来源:[J].Clinical Lung Cancer(IF 2.038), 2015, Vol.16 (5), pp.e91-e96
摘要:Abstract(#br)Background(#br)Previous reports have shown that curative surgical approaches for synchronous primary lung cancer (SPLC) yielded excellent treatment outcomes. However, patients with SPLC are often unsuitable for such surgery as a result of poor general condition or ot...
作者:Kenji Takayama , Takashi Mizowaki ...
来源:[J].Radiotherapy and Oncology(IF 4.52), 2009, Vol.93 (1), pp.45-49
摘要:Abstract(#br)Our newly designed image-guided radiotherapy (IGRT) system enables the dynamic tracking irradiation with a gimbaled X-ray head and a dual on-board kilovolt imaging subsystem for real-time target localization. Examinations using a computer-controlled three-dimensional...
作者:Kenji Takayama , Yasushi Nagata ...
来源:[J].International Journal of Radiation Oncology, Biology, Physics(IF 4.524), 2004, Vol.61 (5), pp.1565-1571
摘要:Purpose: To analyze the stereotactic radiotherapy (SRT) plans in terms of internal target volume (ITV) and organs at risk (OARs).(#br)Methods and Materials: Treatment planning and dose distributions were analyzed using dose-volume histograms (DVHs) of ITV and OARs in 37 pati...
作者:Kenji Takayama , Masaki Kokubo ...
来源:[J].International Journal of Radiation Oncology, Biology, Physics(IF 4.524), 2001, Vol.50 (4), pp.889-898
摘要:Abstract(#br)Purpose: To evaluate the daily setup accuracy and the reduction of respiratory tumor movement using a body frame in conformal therapy for solitary lung tumor.(#br)Methods and Materials: Eighteen patients with a solitary lung tumor underwent conformal therapy usi...
作者:Kenji Takayama , Yasushi Nagata ...
来源:[J].International Journal of Radiation Oncology, Biology, Physics(IF 4.524), 2006, Vol.68 (2), pp.416-425
摘要:Purpose: The aim of this study was to assess interinstitutional variations in planning for stereotactic body radiation therapy (SBRT) for lung cancer before the start of the Japan Clinical Oncology Group (JCOG) 0403 trial.(#br)Methods and Materials: Eleven institutions created vi...
作者:Kenji Takayama , Yoshiki Norihisa ...
来源:[J].International Journal of Radiation Oncology, Biology, Physics(IF 4.524), 2009, Vol.79 (4), pp.1104-1111
摘要:Purpose(#br)To investigate the factors that influence clinical outcomes after stereotactic body radiotherapy (SBRT) for non–small-cell lung cancer (NSCLC).(#br)Methods and Materials(#br)A total of 101 consecutive patients who underwent SBRT with 48 Gy in 4 fractions for hist...

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