Clinical application of real-time tumor-tracking for stereotactic volumetric modulated arc therapy for liver tumors

被引：0

作者：

Miyamoto, Naoki ^{[1
,2
]}

Katoh, Norio ^{[3
]}

Kanehira, Takahiro ^{[2
]}

Yokokawa, Kohei ^{[2
]}

Suzuki, Ryusuke ^{[2
]}

Uchinami, Yusuke ^{[3
]}

Taguchi, Hiroshi ^{[4
]}

Abo, Daisuke ^{[5
]}

Aoyama, Hidefumi ^{[3
]}

机构：

[1] Hokkaido Univ, Fac Engn, North13,West 8,Kita Ku, Sapporo, Hokkaido 0608628, Japan

[2] Hokkaido Univ Hosp, Dept Med Phys, North 14,West 5,Kita Ku, Sapporo, Hokkaido 0608648, Japan

[3] Hokkaido Univ, Fac Med, North 15,West 7,Kita Ku, Sapporo, Hokkaido 0608638, Japan

[4] Hokkaido Univ Hosp, Dept Radiat Oncol, North 14,West 5,Kita Ku, Sapporo, Hokkaido 0608648, Japan

[5] Hokkaido Univ Hosp, Dept Diagnost & Intervent Radiol, North 14 West 5,Kita Ku, Sapporo, Hokkaido 0608648, Japan

来源：

PHYSICS & IMAGING IN RADIATION ONCOLOGY | 2024年 / 31卷

关键词：

Motion management; SBRT; VMAT; Internal marker; Respiratory gating; FIDUCIAL MARKERS; GATED VMAT; RADIOTHERAPY; MOTION;

D O I：

10.1016/j.phro.2024.100623

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Real-time tumor-tracking volumetric modulated arc therapy (RT-VMAT) enabling beam-gating based on continuous X-ray tracking of the three-dimensional position of internal markers is relevant for moving tumors. Dose-volume characteristics and treatment time were evaluated in ten consecutive patients who underwent liver stereotactic body radiation therapy with RT-VMAT. Target dose conformity and sparing of the stomach and the intestine were improved comparing RT-VMAT with RT-3D conformal radiotherapy. The mean treatment time for each fraction was less than 10 min. RT-VMAT could be effective, especially for targets located adjacent to organs at risk.

引用

页数：4

共 50 条

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