The Perplexity Surrounding Chiari Malformations - Are We Any Wiser Now?
Journal
AJNR. American journal of neuroradiology
ISSN: 1936-959X
Titre abrégé: AJNR Am J Neuroradiol
Pays: United States
ID NLM: 8003708
Informations de publication
Date de publication:
11 2020
11 2020
Historique:
received:
10
05
2020
accepted:
23
06
2020
pubmed:
19
9
2020
medline:
17
2
2021
entrez:
18
9
2020
Statut:
ppublish
Résumé
Chiari malformations are a diverse group of abnormalities of the brain, craniovertebral junction, and the spine. Chiari 0, I, and 1.5 malformations, likely a spectrum of the same malformation with increasing severity, are due to the inadequacy of the para-axial mesoderm, which leads to insufficient development of occipital somites. Chiari II malformation is possibly due to nonclosure of the caudal end of the neuropore, with similar pathogenesis in the rostral end, which causes a Chiari III malformation. There have been significant developments in the understanding of this complex entity owing to insights into the pathogenesis and advancements in imaging modalities and neurosurgical techniques. This article aims to review the different types and pathophysiology of the Chiari malformations, along with a description of the various associated abnormalities. We also highlight the role of ante- and postnatal imaging, with a focus on the newer techniques in the presurgical evaluation, with a brief mention of the surgical procedures and the associated postsurgical complications.
Identifiants
pubmed: 32943418
pii: ajnr.A6743
doi: 10.3174/ajnr.A6743
pmc: PMC7658834
doi:
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
1975-1981Informations de copyright
© 2020 by American Journal of Neuroradiology.
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