Evaluating posterolateral linearization of the putaminal margin with magnetic resonance imaging to diagnose the Parkinson variant of multiple system atrophy
Identifieur interne : 001056 ( Main/Exploration ); précédent : 001055; suivant : 001057Evaluating posterolateral linearization of the putaminal margin with magnetic resonance imaging to diagnose the Parkinson variant of multiple system atrophy
Auteurs : Shoichi Ito [Japon] ; Wakako Shirai [Japon] ; Takamichi Hattori [Japon]Source :
- Movement Disorders [ 0885-3185 ] ; 2007-03-15.
English descriptors
Abstract
The objective was to develop a simple method for evaluating putaminal atrophy in patients with the Parkinson variant of multiple system atrophy (MSA‐P). We used magnetic resonance imaging to study 9 patients with MSA‐P, 24 patients with cerebellar variants of multiple system atrophy (MSA‐C), 38 patients with Parkinson's disease (PD), and 27 healthy control subjects. Posterolateral linearization of the putaminal margin was semiquantitatively scored and the putaminal area per intracranial area was calculated as the adjusted putaminal area. There was a negative correlation between the linearization scores and adjusted putaminal areas (r = −0.43, P < 0.001), such that the mean adjusted putaminal area in the group without putaminal linearization (0.0148 ± 0.0022) was greater than that of the group with linearization (0.0124 ± 0.0029, P < 0.005). Moreover, the occurrence of putaminal linearization was significantly higher in MSA‐P patients (88.8%) than in MSA‐C (8.3%), PD (7.9%) and healthy subjects (7.4%; P < 0.005). Putaminal linearization was a highly sensitive (0.89) and specific (0.91) measure for differentiating MSA‐P. Our results suggest that evaluating posterolateral putaminal linearization is useful for assessing putaminal atrophy and for differentiating MSA‐P from MSA‐C, PD, and healthy subjects. © 2007 Movement Disorder Society
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DOI: 10.1002/mds.21329
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2007-03-15">2007-03-15</date><biblScope unit="volume">22</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="578">578</biblScope><biblScope unit="page" to="581">581</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">553DCE51003DF733F8D6D7CFE4D07A47BF5B1747</idno><idno type="DOI">10.1002/mds.21329</idno><idno type="ArticleID">MDS21329</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>linearization</term><term>multiple system atrophy</term><term>putaminal atrophy</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The objective was to develop a simple method for evaluating putaminal atrophy in patients with the Parkinson variant of multiple system atrophy (MSA‐P). We used magnetic resonance imaging to study 9 patients with MSA‐P, 24 patients with cerebellar variants of multiple system atrophy (MSA‐C), 38 patients with Parkinson's disease (PD), and 27 healthy control subjects. Posterolateral linearization of the putaminal margin was semiquantitatively scored and the putaminal area per intracranial area was calculated as the adjusted putaminal area. There was a negative correlation between the linearization scores and adjusted putaminal areas (r = −0.43, P < 0.001), such that the mean adjusted putaminal area in the group without putaminal linearization (0.0148 ± 0.0022) was greater than that of the group with linearization (0.0124 ± 0.0029, P < 0.005). Moreover, the occurrence of putaminal linearization was significantly higher in MSA‐P patients (88.8%) than in MSA‐C (8.3%), PD (7.9%) and healthy subjects (7.4%; P < 0.005). Putaminal linearization was a highly sensitive (0.89) and specific (0.91) measure for differentiating MSA‐P. Our results suggest that evaluating posterolateral putaminal linearization is useful for assessing putaminal atrophy and for differentiating MSA‐P from MSA‐C, PD, and healthy subjects. © 2007 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Ito, Shoichi" sort="Ito, Shoichi" uniqKey="Ito S" first="Shoichi" last="Ito">Shoichi Ito</name></noRegion><name sortKey="Hattori, Takamichi" sort="Hattori, Takamichi" uniqKey="Hattori T" first="Takamichi" last="Hattori">Takamichi Hattori</name><name sortKey="Shirai, Wakako" sort="Shirai, Wakako" uniqKey="Shirai W" first="Wakako" last="Shirai">Wakako Shirai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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