文章基本信息

标题：Chiari 1.5 malformation, accessory odontoid synchondrosis, and ventral compression: case report
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作者：Dany Hage ; Joe Iwanaga ; CJ Bui 等
期刊名称：Anatomy & Cell Biology
印刷版ISSN：2093-3665
出版年度：2021
卷号：54
期号：1
页码：128-131
DOI：10.5115/acb.20.264
出版社：Anatomy and Cell Biology
摘要：The pathogenesis of Chiari 1 malformations has been explained in several different ways, but extensive evidence suggests a relationship between loss of volume within the posterior cranial fossa and Chiari 1 presentations. It is important to be able to differentiate Chiari 1.5 from Chiari 1 malformations as they have similar clinical presentations, but the latter have progressed further and are characterized by caudal herniations of the brain stem through the foramen magnum. Despite the similarities of presentation, Chiari 1.5 malformations have greater rates of complications following posterior decompression surgeries, which are typically performed to relieve ventral compression. An improved understanding of the odontoid synchondroses could lead to better understanding of Chiari malformations and lead to improved treatment of patients with these presentations. Here we present a rare case of an accessory odontoid synchondrosis in a patient with a Chiari 1.5 malformation and ventral compression.
关键词：Anatomy;Chiari malformations;Dens;Odontoid process;Odontoid synchondroses