Analysis of the measurement precision of arterial lumen and wall areas using high-resolution MRI

被引：5

作者：

Kang, XJ ^{[1
]}

Polissar, NL

Han, C

Lin, E

Yuan, C

机构：

[1] Univ Washington, Dept Radiol, Seattle, WA 98195 USA

[2] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA

[3] Mtn Whisper Light Stat Consulting, Seattle, WA USA

[4] Univ Washington, Dept Biostat, Seattle, WA 98195 USA

来源：

MAGNETIC RESONANCE IN MEDICINE | 2000年 / 44卷 / 06期

关键词：

MRI; lumen area; wall area; carotid artery;

D O I：

10.1002/1522-2594(200012)44:6<968::AID-MRM20>3.0.CO;2-I

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 MRI may be used to monitor the progression of human carotid atherosclerosis by measuring the lumen and wail area changes over time. The purpose of this study was to analyze the precision of quantitative measurements of lumen and wall areas. Two independent MR scans near the carotid bifurcation were conducted on eight patients within 2 weeks. The error of lumen area measurement was 6.2%, 9.2%, and 9.7% for T-1, proton density, and T-2-weighted images, respectively, and the error of wall area measurement was 10.8%, 10.9%, and 12,0%. The precision of area measurement correlates strongly with image quality. (C) 2000 Wiley-Liss, Inc.

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收藏

页码：968 / 972

页数：5

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