High-resolution dose profile studies based on MR Imaging with polymer BANG™ gels in stereotactic radiation techniques

被引：45

作者：

Ertl, A ^{[1
]}

Berg, A ^{[1
]}

Zehetmayer, M ^{[1
]}

Frigo, P ^{[1
]}

机构：

[1] Univ Vienna, Dept Neurosurg, Vienna, Austria

来源：

MAGNETIC RESONANCE IMAGING | 2000年 / 18卷 / 03期

关键词：

dosimetry; polymer gels; stereotactic radiosurgery;

D O I：

10.1016/S0730-725X(99)00131-9

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

High-resolution dose profiles produced by the Leksell Gamma Knife were obtained in BANG(TM) polymer gel, using a 3 T whole-body scanner upgraded by a magnetic resonance microscopy unit. The gel was contained in 22.3 mm diameter flasks that were inserted into a solid, tissue-equivalent head phantom irradiated by fields of by 8 and 14 mm collimators. Dose profiles were obtained from a linear dose-response curve (R-2 vs. Dose). Excellent agreement was obtained when the gel data were compared to film dosimetry and calculated data. (C) 2000 Elsevier Science Inc. All rights reserved.

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页码：343 / 349

页数：7

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