MRI measurements of brainstem structures in patients with Richardson's syndrome, progressive supranuclear palsy-parkinsonism, and Parkinson's disease.
Identifieur interne : 001394 ( PubMed/Curation ); précédent : 001393; suivant : 001395MRI measurements of brainstem structures in patients with Richardson's syndrome, progressive supranuclear palsy-parkinsonism, and Parkinson's disease.
Auteurs : Giulia Longoni [Italie] ; Federica Agosta ; Vladimir S. Kosti ; Tanja Stojkovi ; Elisabetta Pagani ; Tatjana Stoši Opin Al ; Massimo FilippiSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2011.
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Abstract
We investigated the diagnostic accuracy of brainstem MRI measurements in patients with different progressive supranuclear palsy (PSP) syndromes and Parkinson's disease (PD). Using 3D T1-weighted images, midbrain, and pons areas, as well as superior (SCP) and middle cerebellar peduncle (MCP) widths were measured in 10 patients with Richardson's syndrome (PSP-RS), 10 patients with PSP-parkinsonism (PSP-P), 25 patients with PD, and 24 healthy controls. The ratio between pons and midbrain areas (pons/midbrain), that between MCP and SCP widths (MCP/SCP), and the MR parkinsonism index ([pons/midbrain]*[MCP/SCP]) were calculated. The pons/midbrain and the MR parkinsonism index allowed to differentiate PSP-RS from PD with high sensitivity (90%, 100%), specificity (96%, 92%), and accuracy (94%, 97%). Only the pons/midbrain was found to distinguish PSP-P from PD, but with a lower diagnostic accuracy (sensitivity = 60%, specificity = 96%, accuracy = 86%). Compared to PSP-RS, PSP-P experience a relatively less severe involvement of infratentorial brain. The pons/midbrain looks as a promising measure in the differentiation of individual PSP-P from PD patients.
DOI: 10.1002/mds.23293
PubMed: 21412831
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Kosti</name></author><author><name sortKey="Stojkovi, Tanja" sort="Stojkovi, Tanja" uniqKey="Stojkovi T" first="Tanja" last="Stojkovi">Tanja Stojkovi</name></author><author><name sortKey="Pagani, Elisabetta" sort="Pagani, Elisabetta" uniqKey="Pagani E" first="Elisabetta" last="Pagani">Elisabetta Pagani</name></author><author><name sortKey="Stosi Opin Al, Tatjana" sort="Stosi Opin Al, Tatjana" uniqKey="Stosi Opin Al T" first="Tatjana" last="Stoši Opin Al">Tatjana Stoši Opin Al</name></author><author><name sortKey="Filippi, Massimo" sort="Filippi, Massimo" uniqKey="Filippi M" first="Massimo" last="Filippi">Massimo Filippi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.1002/mds.23293</idno><idno type="RBID">pubmed:21412831</idno><idno type="pmid">21412831</idno><idno type="wicri:Area/PubMed/Corpus">001394</idno><idno type="wicri:Area/PubMed/Curation">001394</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">MRI measurements of brainstem structures in patients with Richardson's syndrome, progressive supranuclear palsy-parkinsonism, and Parkinson's disease.</title><author><name sortKey="Longoni, Giulia" sort="Longoni, Giulia" uniqKey="Longoni G" first="Giulia" last="Longoni">Giulia Longoni</name><affiliation wicri:level="1"><nlm:affiliation>Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University Ospedale San Raffaele, Milan, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University Ospedale San Raffaele, Milan</wicri:regionArea></affiliation></author><author><name sortKey="Agosta, Federica" sort="Agosta, Federica" uniqKey="Agosta F" first="Federica" last="Agosta">Federica Agosta</name></author><author><name sortKey="Kosti, Vladimir S" sort="Kosti, Vladimir S" uniqKey="Kosti V" first="Vladimir S" last="Kosti">Vladimir S. Kosti</name></author><author><name sortKey="Stojkovi, Tanja" sort="Stojkovi, Tanja" uniqKey="Stojkovi T" first="Tanja" last="Stojkovi">Tanja Stojkovi</name></author><author><name sortKey="Pagani, Elisabetta" sort="Pagani, Elisabetta" uniqKey="Pagani E" first="Elisabetta" last="Pagani">Elisabetta Pagani</name></author><author><name sortKey="Stosi Opin Al, Tatjana" sort="Stosi Opin Al, Tatjana" uniqKey="Stosi Opin Al T" first="Tatjana" last="Stoši Opin Al">Tatjana Stoši Opin Al</name></author><author><name sortKey="Filippi, Massimo" sort="Filippi, Massimo" uniqKey="Filippi M" first="Massimo" last="Filippi">Massimo Filippi</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="eISSN">1531-8257</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Brain Stem (pathology)</term><term>Female</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Organ Size</term><term>Parkinson Disease (pathology)</term><term>Sensitivity and Specificity</term><term>Statistics, Nonparametric</term><term>Supranuclear Palsy, Progressive (pathology)</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Brain Stem</term><term>Parkinson Disease</term><term>Supranuclear Palsy, Progressive</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Female</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Organ Size</term><term>Sensitivity and Specificity</term><term>Statistics, Nonparametric</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the diagnostic accuracy of brainstem MRI measurements in patients with different progressive supranuclear palsy (PSP) syndromes and Parkinson's disease (PD). Using 3D T1-weighted images, midbrain, and pons areas, as well as superior (SCP) and middle cerebellar peduncle (MCP) widths were measured in 10 patients with Richardson's syndrome (PSP-RS), 10 patients with PSP-parkinsonism (PSP-P), 25 patients with PD, and 24 healthy controls. The ratio between pons and midbrain areas (pons/midbrain), that between MCP and SCP widths (MCP/SCP), and the MR parkinsonism index ([pons/midbrain]*[MCP/SCP]) were calculated. The pons/midbrain and the MR parkinsonism index allowed to differentiate PSP-RS from PD with high sensitivity (90%, 100%), specificity (96%, 92%), and accuracy (94%, 97%). Only the pons/midbrain was found to distinguish PSP-P from PD, but with a lower diagnostic accuracy (sensitivity = 60%, specificity = 96%, accuracy = 86%). Compared to PSP-RS, PSP-P experience a relatively less severe involvement of infratentorial brain. The pons/midbrain looks as a promising measure in the differentiation of individual PSP-P from PD patients.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">21412831</PMID><DateCreated><Year>2011</Year><Month>03</Month><Day>17</Day></DateCreated><DateCompleted><Year>2011</Year><Month>07</Month><Day>25</Day></DateCompleted><DateRevised><Year>2011</Year><Month>12</Month><Day>12</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1531-8257</ISSN><JournalIssue CitedMedium="Internet"><Volume>26</Volume><Issue>2</Issue><PubDate><Year>2011</Year><Month>Feb</Month><Day>1</Day></PubDate></JournalIssue><Title>Movement disorders : official journal of the Movement Disorder Society</Title><ISOAbbreviation>Mov. Disord.</ISOAbbreviation></Journal><ArticleTitle>MRI measurements of brainstem structures in patients with Richardson's syndrome, progressive supranuclear palsy-parkinsonism, and Parkinson's disease.</ArticleTitle><Pagination><MedlinePgn>247-55</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/mds.23293</ELocationID><Abstract><AbstractText>We investigated the diagnostic accuracy of brainstem MRI measurements in patients with different progressive supranuclear palsy (PSP) syndromes and Parkinson's disease (PD). Using 3D T1-weighted images, midbrain, and pons areas, as well as superior (SCP) and middle cerebellar peduncle (MCP) widths were measured in 10 patients with Richardson's syndrome (PSP-RS), 10 patients with PSP-parkinsonism (PSP-P), 25 patients with PD, and 24 healthy controls. The ratio between pons and midbrain areas (pons/midbrain), that between MCP and SCP widths (MCP/SCP), and the MR parkinsonism index ([pons/midbrain]*[MCP/SCP]) were calculated. The pons/midbrain and the MR parkinsonism index allowed to differentiate PSP-RS from PD with high sensitivity (90%, 100%), specificity (96%, 92%), and accuracy (94%, 97%). Only the pons/midbrain was found to distinguish PSP-P from PD, but with a lower diagnostic accuracy (sensitivity = 60%, specificity = 96%, accuracy = 86%). Compared to PSP-RS, PSP-P experience a relatively less severe involvement of infratentorial brain. 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