全部文献期刊会议图书|学者科研项目
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作者:... Ryo Narukami , Takayuki Hattori , Masaki Kokubo
来源:[J].Japanese Journal of Radiology(IF 0.73), 2017, Vol.35 (6), pp.335-340Springer
摘要:When treating large metastatic brain tumors with stereotactic radiotherapy (SRT), high dose conformity to target is difficult to achieve. Employing a modified planning target volume (mPTV) instead of the original PTV may be one way to improve the dose distribution in linear accel...
作者:Masaki Kokubo , Kenji Takayama ...
来源:[J].International Journal of Clinical Oncology(IF 1.727), 2017, Vol.22 (5), pp.849-856Springer
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:... Toshiyuki Imagumbai , Nobuyuki Katakami , Masaki Kokubo
来源:[J].Clinical Lung Cancer(IF 2.038), 2015, Vol.16 (5), pp.e91-e96Elsevier
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:Masaki Kokubo , Kenji Takayama ...
来源:[J].Medical Dosimetry(IF 1.009), 2017Elsevier
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:Masaki Kokubo , Katsuyuki Karasawa ...
来源:[J].Lung Cancer(IF 3.392), 2018, Vol.122, pp.107-112Elsevier
摘要:Abstract(#br)Objectives(#br)Even with advanced image guidance, biopsies occasionally fail to diagnose small lung lesions, which are highly suggestive of primary lung cancer by radiological examination. The aim of this study was to evaluate the outcome of stereotactic body ra...
作者:Masaki Kokubo , Takashi Mizowaki
来源:[J].Physica Medica(IF 1.167), 2017, Vol.35, pp.59-65Elsevier
摘要:Abstract(#br)Purpose(#br)To develop a four-dimensional (4D) dose calculation system for real-time tumor tracking (RTTT) irradiation by the Vero4DRT.(#br)Methods(#br)First, a 6-MV photon beam delivered by the Vero4DRT was simulated using EGSnrc. A moving phantom position was direc...
作者:... Shinya Hiraoka , Masaki Kokubo , Keisuke Tomii
来源:[J].Cancer Chemotherapy and Pharmacology(IF 2.795), 2019, Vol.84 (2), pp.275-280Springer
摘要:Abstract(#br) Purpose(#br)Recently, based on results of the PACIFIC trial, durvalumab after chemoradiotherapy (CRT) became the standard therapy for unresectable stage III non-small cell lung cancer (NSCLC). However, in the PACIFIC trial, patients were recruited and randomize...
作者:... Takashi Mizowaki , Masaki Kokubo , Masahiro Hiraoka
来源:[J].Radiotherapy and Oncology(IF 4.52), 2015, Vol.117 (3), pp.496-500Elsevier
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:Masaki Kokubo , Masahiro Hiraoka
来源:[J].Radiotherapy and Oncology(IF 4.52), 2015, Vol.115 (3), pp.412-418Elsevier
摘要:Abstract(#br)Purpose(#br)This study aimed to compare procedures for dynamic tumour tracking (DTT) using a gimbal-mounted linac between centres in Japan (KU-IBRI) and Belgium (UZB), to quantify tracking error (TE), and to estimate tumour-fiducial uncertainties and PTV margins.(#br...

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