Posterior odontoid process angulation in pediatric Chiari I malformation: an MRI morphometric external validation study
نویسندگان
چکیده
منابع مشابه
Stereological and Morphometric Analysis of MRI Chiari Malformation Type-1
OBJECTIVE In this study, we aimed to investigate the underlying ethiological factors in chiari malformation (CM) type-I (CMI) via performing volumetric and morphometric length-angle measurements. METHODS A total of 66 individuals [33 patients (20-65 years) with CMI and 33 control subjects] were included in this study. In sagittal MR images, tonsillar herniation length and concurrent anomalies...
متن کاملAutomated posterior cranial fossa volumetry by MRI: applications to Chiari malformation type I.
BACKGROUND AND PURPOSE Quantification of PCF volume and the degree of PCF crowdedness were found beneficial for differential diagnosis of tonsillar herniation and prediction of surgical outcome in CMI. However, lack of automated methods limits the clinical use of PCF volumetry. An atlas-based method for automated PCF segmentation tailored for CMI is presented. The method performance is assessed...
متن کاملChiari I malformation and delivery
The following recommendations have been adopted and field tested on the patients of our centers for more than 10 years. They reflect the feedback from experts in the field of Obstetrics and Anesthesia, as well as the evolution of our understanding of CMI and syringomyelia. • A trial of natural childbirth is not contraindicated in patients with CMI (untreated, or after surgical decompression) • ...
متن کاملChildren with growth hormone deficiency and Chiari I malformation: a morphometric analysis of the posterior cranial fossa.
OBJECTIVE The posterior fossa (PF) has been found to be small in various forms of Chiari malformation. Explanations involving a connection between growth hormone deficiency (GHD) and Chiari I malformation (CIM) have been proposed. However, to date, no quantitative analysis of the PF of patients with CIM and GHD has been performed. Our study was performed to determine the geometry of the PF in c...
متن کاملTransnasal endoscopic removal of malformation of the odontoid process in a patient with type I Arnold-Chiari malformation: a case report
The endoscopic endonasal approach is emerging as a feasible alternative to the trans-oral route for the resection of the odontoid process, when the latter produces a compression of the brainstem and cervicomedullary junction. This type of approach has some advantages, such as excellent pre-vertebral exposure of the cranio-vertebral junction in patients with small oral cavities and the possibili...
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ژورنال
عنوان ژورنال: Journal of Neurosurgery: Pediatrics
سال: 2015
ISSN: 1933-0707,1933-0715
DOI: 10.3171/2015.1.peds14475