T1-weighted MR imaging of glioma at 3T: a comparative study of 3D MPRAGE vs. conventional 2D spin-echo imaging

被引：11
作者：
Dodo, Toshiki [1 ]
Okada, Tomohisa [1 ]
Yamamoto, Akira [1 ]
Kanagaki, Mitsunori [1 ]
Fushimi, Yasutaka [1 ]
Okada, Tsutomu [1 ]
Sakata, Akihiko [1 ]
Arakawa, Yoshiki [2 ]
Miyamoto, Susumu [2 ]
Togashi, Kaori [1 ]
机构：
[1] Kyoto Univ, Grad Sch Med, Dept Diagnost Imaging & Nucl Med, Kyoto 6068507, Japan
[2] Kyoto Univ, Grad Sch Med, Dept Neurosurg, Kyoto 6068507, Japan
来源：
CLINICAL IMAGING | 2016年 / 40卷 / 06期
基金：
日本学术振兴会;
关键词：
MRI; MPRAGE; contrast enhancement; glioma; RAPID GRADIENT-ECHO; BRAIN METASTASIS; LESION ENHANCEMENT; CONTRAST; SUBTRACTION; ACQUISITION;
D O I：
10.1016/j.clinimag.2016.08.016
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：
Purpose: This study aims to investigate difference between magnetization-prepared rapid gradient-echo imaging (MPRAGE) and spin-echo (SE) imaging for evaluating glioma on pre-contrast-enhanced (CE) and post-CE T1 weighted images at 3 T. Materials and methods: We retrospectively assessed pre-CE and post-CE T1-weighted images for tumor contrast in 64 consecutive glioma patients. Results: In the nonenhancing tumors, the contrast was significantly clearer in MPRAGE than SE. In the enhancing tumors, post-CE contrast ratio was significantly higher in SE than MPRAGE, but when subtraction images are evaluated, the difference got smaller. Conclusion: MPRAGE can be a good substitute of SE for Tl-weighted imaging of glioma. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：1257 / 1261
页数：5
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