Pathologic findings of silent hyperintense white matter lesions on MRI

被引:37
作者
Takao, M
Koto, A
Tanahashi, N
Fukuuchi, Y
Takagi, M
Morinaga, S
机构
[1] Keio Univ, Sch Med, Dept Neurol, Tokyo 1608582, Japan
[2] Tokyo Saiseikai Cent Hosp, Dept Neurol, Minato Ku, Tokyo 1080073, Japan
[3] Tokyo Saiseikai Cent Hosp, Dept Pathol, Minato Ku, Tokyo 1080073, Japan
关键词
magnetic resonance imaging; hypertension; 'caps'; 'rims'; leukoaraiosis; white matter;
D O I
10.1016/S0022-510X(99)00158-6
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The pathologic features of silent hyperintense white matter lesions in T2-weighted images on MRI were studied in patients with no neurologic signs or symptoms. The small patchy hyperintense white matter lesions represented myelin pallor associated with vessels showing hypertension and arteriosclerotic changes. 'Caps' also showed myelin pallor with dilated perivascular spaces. There were no lacunar infarcts in these lesions. Some of 'caps' was shown to be elongated normal lateral ventricle. 'Rims' of early stage revealed subependymal gliosis that was a part of normal aging processes. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:127 / 131
页数:5
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