Daily positioning accuracy of frameless stereotactic radiation therapy with a fusion of computed tomography and linear accelerator (focal) unit:: evaluation of z-axis with a z-marker

被引：35

作者：

Uematsu, M

Sonderegger, M

Shioda, A

Tahara, K

Fukui, T

Hama, Y

Kojima, T

Wong, JR

Kusano, S

机构：

[1] Natl Def Med Coll, Div Radiat Oncol, Tokorozawa, Saitama 359, Japan

[2] Univ Tokyo, Dept Precis Machinery Engn, Bunkyo Ku, Tokyo 113, Japan

[3] Morristown Mem Hosp, Dept Radiat Oncol, Morristown, NJ 07962 USA

来源：

RADIOTHERAPY AND ONCOLOGY | 1999年 / 50卷 / 03期

关键词：

radiotherapy; stereotactic; frameless; fractionated; treatment unit; geometrical errors;

D O I：

10.1016/S0167-8140(99)00037-7

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

To evaluate quantitative positioning errors of frameless stereotactic radiation therapy with a fusion of computed tomography (CT) and linear accelerator unit, Z-type CT markers were attached to patients, and CT images were obtained before and after daily treatment. In 40 verification tests, geometrical errors were never more than 1 mm. (C) 1999 Elsevier Science Ireland Ltd. All rights reserved.

引用

页码：337 / 339

页数：3

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