What is bright on T1-weighted MR scans?

被引：0

作者：

de Kerviler, E ^{[1
]}

Cuenod, CA ^{[1
]}

Clement, O ^{[1
]}

Halimi, P ^{[1
]}

Frija, G ^{[1
]}

Frija, J ^{[1
]}

机构：

[1] Hop St Louis, Serv Radiol, F-75475 Paris 10, France

来源：

JOURNAL DE RADIOLOGIE | 1998年 / 79卷 / 02期

关键词：

MRI; contrast; relaxation times; artifacts;

D O I：

暂无

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：

The list of entities associated with a high signal intensity on T1-weighted images is extensive and classically includes fat, proteins, hemorrhage, melanin and gadolinium. However, additional entities may be responsible for abnormally high signal intensity on T1-weighted images. These include ion deposition in metabolic disorders, free radicals, increased proton density, flow phenomena, some artifacts, and new contrast agents. The aim of this article is to display both the common and uncommon causes for a high T1 signal intensity and to discuss the underlying mechanisms or attributable pathophysiology for this phenomenon.

引用

页码：117 / 126

页数：10

共 51 条

[31]

MAEDER PP, 1990, AM J NEURORADIOL, V11, P575

[32] CALCIFICATION DEMONSTRATED AS HIGH SIGNAL INTENSITY ON T1-WEIGHTED MR-IMAGES OF THE DISKS OF THE LUMBAR SPINE [J].