Brain parenchyma sonography detects preclinical parkinsonism.
Identifieur interne : 003243 ( PubMed/Curation ); précédent : 003242; suivant : 003244Brain parenchyma sonography detects preclinical parkinsonism.
Auteurs : Uwe Walter [Allemagne] ; Christine Klein ; Ruediger Hilker ; Reiner Benecke ; Peter P. Pramstaller ; Dirk DresslerSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2004.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Alleles, Brain (pathology), Female, Fluorodeoxyglucose F18 (diagnostic use), Humans, Male, Middle Aged, Parkinson Disease (genetics), Parkinson Disease (pathology), Parkinson Disease (ultrasonography), Point Mutation (genetics), Positron-Emission Tomography, Radiopharmaceuticals (diagnostic use), Substantia Nigra (metabolism), Substantia Nigra (ultrasonography), Ubiquitin-Protein Ligases (genetics).
- MESH :
- chemical , diagnostic use : Fluorodeoxyglucose F18, Radiopharmaceuticals.
- genetics : Parkinson Disease, Point Mutation, Ubiquitin-Protein Ligases.
- metabolism : Substantia Nigra.
- pathology : Brain, Parkinson Disease.
- ultrasonography : Parkinson Disease, Substantia Nigra.
- Adult, Aged, Aged, 80 and over, Alleles, Female, Humans, Male, Middle Aged, Positron-Emission Tomography.
Abstract
Substantia nigra (SN) hyperechogenicity on brain parenchyma sonography (BPS) is highly characteristic for idiopathic PD. We studied 7 symptomatic and 7 asymptomatic parkin mutation carriers (PMC) from a large kindred with adult-onset parkinsonism. BPS revealed larger SN echogenic sizes in PMC with parkin mutations on both alleles (homozygous, compound-heterozygous), compared to PMC with only one mutated allele (Mann-Whitney U test, P = 0.007). In symptomatic PMC, larger SN echogenic size was correlated with younger age at onset of the disease (Spearman rank correlation, Rho = -0.937, P = 0.002) but not with age, disease duration, or disease severity. BPS demonstrated SN hyperechogenicity, in concordance with abnormal nigrostriatal (18)F-dopa positron emission tomography (PET), in all symptomatic and 3 asymptomatic PMC. In 2 asymptomatic PMC, PET and BPS were normal. However, in another 2 asymptomatic PET-normal PMC, SN hyperechogenicity could be detected. Data suggest SN hyperechogenicity as an early marker to detect preclinical parkinsonism.
DOI: 10.1002/mds.20232
PubMed: 15390070
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pubmed:15390070Le document en format XML
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<author><name sortKey="Walter, Uwe" sort="Walter, Uwe" uniqKey="Walter U" first="Uwe" last="Walter">Uwe Walter</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Neurology, University of Rostock, Rostock, Germany. uwe.walter@med.uni-rostock.de</nlm:affiliation>
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<wicri:regionArea>Department of Neurology, University of Rostock, Rostock</wicri:regionArea>
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<author><name sortKey="Klein, Christine" sort="Klein, Christine" uniqKey="Klein C" first="Christine" last="Klein">Christine Klein</name>
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<author><name sortKey="Hilker, Ruediger" sort="Hilker, Ruediger" uniqKey="Hilker R" first="Ruediger" last="Hilker">Ruediger Hilker</name>
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<author><name sortKey="Benecke, Reiner" sort="Benecke, Reiner" uniqKey="Benecke R" first="Reiner" last="Benecke">Reiner Benecke</name>
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<author><name sortKey="Pramstaller, Peter P" sort="Pramstaller, Peter P" uniqKey="Pramstaller P" first="Peter P" last="Pramstaller">Peter P. Pramstaller</name>
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<affiliation wicri:level="1"><nlm:affiliation>Department of Neurology, University of Rostock, Rostock, Germany. uwe.walter@med.uni-rostock.de</nlm:affiliation>
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<term>Fluorodeoxyglucose F18 (diagnostic use)</term>
<term>Humans</term>
<term>Male</term>
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<term>Parkinson Disease (genetics)</term>
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<term>Parkinson Disease (ultrasonography)</term>
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<term>Positron-Emission Tomography</term>
<term>Radiopharmaceuticals (diagnostic use)</term>
<term>Substantia Nigra (metabolism)</term>
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<front><div type="abstract" xml:lang="en">Substantia nigra (SN) hyperechogenicity on brain parenchyma sonography (BPS) is highly characteristic for idiopathic PD. We studied 7 symptomatic and 7 asymptomatic parkin mutation carriers (PMC) from a large kindred with adult-onset parkinsonism. BPS revealed larger SN echogenic sizes in PMC with parkin mutations on both alleles (homozygous, compound-heterozygous), compared to PMC with only one mutated allele (Mann-Whitney U test, P = 0.007). In symptomatic PMC, larger SN echogenic size was correlated with younger age at onset of the disease (Spearman rank correlation, Rho = -0.937, P = 0.002) but not with age, disease duration, or disease severity. BPS demonstrated SN hyperechogenicity, in concordance with abnormal nigrostriatal (18)F-dopa positron emission tomography (PET), in all symptomatic and 3 asymptomatic PMC. In 2 asymptomatic PMC, PET and BPS were normal. However, in another 2 asymptomatic PET-normal PMC, SN hyperechogenicity could be detected. Data suggest SN hyperechogenicity as an early marker to detect preclinical parkinsonism.</div>
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<Abstract><AbstractText>Substantia nigra (SN) hyperechogenicity on brain parenchyma sonography (BPS) is highly characteristic for idiopathic PD. We studied 7 symptomatic and 7 asymptomatic parkin mutation carriers (PMC) from a large kindred with adult-onset parkinsonism. BPS revealed larger SN echogenic sizes in PMC with parkin mutations on both alleles (homozygous, compound-heterozygous), compared to PMC with only one mutated allele (Mann-Whitney U test, P = 0.007). In symptomatic PMC, larger SN echogenic size was correlated with younger age at onset of the disease (Spearman rank correlation, Rho = -0.937, P = 0.002) but not with age, disease duration, or disease severity. BPS demonstrated SN hyperechogenicity, in concordance with abnormal nigrostriatal (18)F-dopa positron emission tomography (PET), in all symptomatic and 3 asymptomatic PMC. In 2 asymptomatic PMC, PET and BPS were normal. However, in another 2 asymptomatic PET-normal PMC, SN hyperechogenicity could be detected. Data suggest SN hyperechogenicity as an early marker to detect preclinical parkinsonism.</AbstractText>
<CopyrightInformation>2004 Movement Disorder Society.</CopyrightInformation>
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