| Neuroradiological diagnosis of Chiari malformations. | |
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MedLine Citation:
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PMID: 21800079 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Chiari malformations 1, 2, 3 represent different degrees of herniation of posterior fossa content into the cervical canal (Chiari 1 and 2), or through an upper-cervical meningocele (Chiari 3), whereas Chiari 4 anomaly consists of hypoplasia of the cerebellum. Chiari 1 malformation (CM1) is the commonest anomaly; it is probably related to a mesodermal defect that create a congenitally small posterior fossa, subsequent overcrowding of its contents and herniation through the foramen magnum. The diagnosis of CM1 is based on the demonstration of the downward displacement and particular shape of the cerebellar tonsils into the upper cervical spinal canal associated with obliteration of the subarachnoid spaces at the level of the foramen magnum. MRI has a fundamental role in the correct identification of the anatomical aspects of this malformation and associated anomalies and represents the imaging modality of choice. |
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Authors:
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Luisa Chiapparini; Veronica Saletti; Carlo Lazzaro Solero; Maria Grazia Bruzzone; Laura Grazia Valentini |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-29 |
Journal Detail:
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Title: Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology Volume: - ISSN: 1590-3478 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100959175 Medline TA: Neurol Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Neuroradiology, Foundation IRCCS Neurological Institute Carlo Besta, Milan, Italy, lchiapparini@istituto-besta.it. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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