REDUCTION OF ARTIFACTS IN MAGNETIC-RESONANCE IMAGES BY USING OPTIMIZED MATERIALS FOR DIAGNOSTIC DEVICES AND IMPLANTS

被引：12
|
作者：
FRITZSCHE, S [1 ]
THULL, R [1 ]
HAASE, A [1 ]
机构：
[1] UNIV WURZBURG,INST PHYS,LEHRSTUHL EXPTL PHYS 5,W-8700 WURZBURG,GERMANY
来源：
BIOMEDIZINISCHE TECHNIK | 1994年 / 39卷 / 03期
关键词：
MAGNETIC SUSCEPTIBILITY; ARTIFACTS; BIOMATERIALS; MAGNETIC RESONANCE IMAGING;
D O I：
10.1515/bmte.1994.39.3.42
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Differences in magnetic susceptibility, as occur for example at the boundary between implant materials and the surrounding body tissue, result in artefacts and a signal loss in magnetic resonance imaging. By using materials with a magnetic susceptibility matched to the respective environment, it is possible to minimize both artefacts and signal loss. Such materials can be made by combining two materials of different magnetic susceptibility (e.g. diamagnetic and paramagnetic materials) in such a way that the resulting material has the desired effective magnetic susceptibility.
引用
收藏
页码：42 / 46
页数：5
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