Midbrain sonography in patients with essential tremor

被引：94

作者：

Stockner, Heike ^{[1
]}

Sojer, Martin ^{[1
]}

Seppi, Klaus ^{[1
]}

Mueller, Joerg ^{[1
]}

Wenning, Gregor K. ^{[1
]}

Schmidauer, Christoph ^{[1
]}

Poewe, Werner ^{[1
]}

机构：

[1] Med Univ Innsbruck, Dept Neurol, A-6020 Innsbruck, Austria

来源：

MOVEMENT DISORDERS | 2007年 / 22卷 / 03期

关键词：

transcranial sonography (TCS); essential tremor (ET); Parkinson's disease (PD); substantia nigra (SN); nigral vulnerability;

D O I：

10.1002/mds.21344

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Several studies have reported an increased risk to develop Parkinson's disease (PD) in essential tremor (ET) populations. Hyperechogenicity of the substantia nigra (SN) is a common transcranial sonography (TCS) finding in PD and has been suggested as a PD risk-marker in nonparkinsonian subjects. This study compared SN areas of 44 ET patients with 100 controls and 100 PD patients. Sixteen percent of ET patients had SN hyperechogenicity as compared with 3% of controls and 75% of PD patients. These findings might correspond to an increased risk of ET patients to develop PD. Long-term follow-up will show if those with hyperechogenic SN develop PD, while these without will not. (C) 2007 Movement Disorder Society.

引用

页码：414 / 417

页数：4

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