Brain parenchyma sonography detects preclinical parkinsonism
Identifieur interne : 005749 ( Main/Merge ); précédent : 005748; suivant : 005750Brain parenchyma sonography detects preclinical parkinsonism
Auteurs : Uwe Walter [Allemagne] ; Christine Klein [Allemagne] ; Ruediger Hilker [Allemagne] ; Reiner Benecke [Allemagne] ; Peter P. Pramstaller [Italie] ; Dirk Dressler [Allemagne]Source :
- Movement Disorders [ 0885-3185 ] ; 2004-12.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Alleles, Brain (pathology), Female, Fluorodeoxyglucose F18 (diagnostic use), Humans, Male, Middle Aged, PARK2, Parkinson Disease (genetics), Parkinson Disease (pathology), Parkinson Disease (ultrasonography), Parkinson's disease, Point Mutation (genetics), Positron-Emission Tomography, Radiopharmaceuticals (diagnostic use), Substantia Nigra (metabolism), Substantia Nigra (ultrasonography), Ubiquitin-Protein Ligases (genetics), brain parenchyma sonography, parkin, substantia nigra, substantia nigra hyperechogenicity.
- 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 18F‐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. © 2004 Movement Disorder Society
Url:
DOI: 10.1002/mds.20232
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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 18F‐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. © 2004 Movement Disorder Society</div>
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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 18F‐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. © 2004 Movement Disorder Society</div>
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<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Alleles</term>
<term>Brain (pathology)</term>
<term>Female</term>
<term>Fluorodeoxyglucose F18 (diagnostic use)</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Parkinson Disease (genetics)</term>
<term>Parkinson Disease (pathology)</term>
<term>Parkinson Disease (ultrasonography)</term>
<term>Point Mutation (genetics)</term>
<term>Positron-Emission Tomography</term>
<term>Radiopharmaceuticals (diagnostic use)</term>
<term>Substantia Nigra (metabolism)</term>
<term>Substantia Nigra (ultrasonography)</term>
<term>Ubiquitin-Protein Ligases (genetics)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="diagnostic use" xml:lang="en"><term>Fluorodeoxyglucose F18</term>
<term>Radiopharmaceuticals</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Parkinson Disease</term>
<term>Point Mutation</term>
<term>Ubiquitin-Protein Ligases</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Substantia Nigra</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Brain</term>
<term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" qualifier="ultrasonography" xml:lang="en"><term>Parkinson Disease</term>
<term>Substantia Nigra</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Alleles</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Positron-Emission Tomography</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>
</front>
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