Substantia nigra neuromelanin-MR imaging differentiates essential tremor from Parkinson's disease.
Identifieur interne : 000058 ( Main/Curation ); précédent : 000057; suivant : 000059Substantia nigra neuromelanin-MR imaging differentiates essential tremor from Parkinson's disease.
Auteurs : Sofia Reimão [Portugal] ; Patrícia Pita Lobo [Portugal] ; Dulce Neutel [Portugal] ; Leonor Correia Guedes [Portugal] ; Miguel Coelho [Portugal] ; Mário M. Rosa [Portugal] ; Pedro Azevedo [Portugal] ; Joana Ferreira [Portugal] ; Daisy Abreu [Portugal] ; Nilza Gonçalves [Portugal] ; Rita G. Nunes [Portugal] ; Jorge Campos [Portugal] ; Joaquim J. Ferreira [Portugal]Source :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2015.
Abstract
Essential tremor (ET) is a very common movement disorder that has no diagnostic markers. Differentiation with Parkinson's disease (PD) can be clinically challenging in some cases, with a high rate of misdiagnosis. Magnetic resonance imaging (MRI) studies have been able to identify neuromelanin changes in the substantia nigra (SN) of PD patients, but they have thus far not been investigated in ET. In this study, we aimed to characterize neuromelanin-MR signal changes in ET and evaluate its diagnostic accuracy in the differential diagnosis with PD.
DOI: 10.1002/mds.26182
PubMed: 25758364
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<front><div type="abstract" xml:lang="en">Essential tremor (ET) is a very common movement disorder that has no diagnostic markers. Differentiation with Parkinson's disease (PD) can be clinically challenging in some cases, with a high rate of misdiagnosis. Magnetic resonance imaging (MRI) studies have been able to identify neuromelanin changes in the substantia nigra (SN) of PD patients, but they have thus far not been investigated in ET. In this study, we aimed to characterize neuromelanin-MR signal changes in ET and evaluate its diagnostic accuracy in the differential diagnosis with PD.</div>
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