Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/201748
Type: Artigo de periódico
Title: Incidence Of Basilar Invagination In Patients With Tonsillar Herniation? A Case Control Craniometrical Study.
Author: Joaquim, Andrei F
Fernandes, Yvens Barbosa
Mathias, Roger N
Batista, Ulysses C
Ghizoni, Enrico
Tedeschi, Helder
Patel, Alpesh A
Abstract: A retrospective case-control study based on craniometrical evaluation was performed to evaluate the incidence of basilar invagination (BI). Patients with symptomatic tonsillar herniation treated surgically had craniometrical parameters evaluated based on CT scan reconstructions before surgery. BI was diagnosed when the tip of the odontoid trespassed the Chamberlain's line in three different thresholds found in the literature: 2, 5 or 6.6 mm. In the surgical group (SU), the mean distance of the tip of the odontoid process above the Chamberlain's line was 12 mm versus 1.2 mm in the control (CO) group (p<0.0001). The number of patients with BI according to the threshold used (2, 5 or 6.6 mm) in the SU group was respectively 19 (95%), 16 (80%) and 15 (75%) and in the CO group it was 15 (37%), 4 (10%) and 2 (5%).
Subject: Adolescent
Adult
Aged
Aged, 80 And Over
Case-control Studies
Cephalometry
Encephalocele
Female
Humans
Male
Middle Aged
Occipital Bone
Odontoid Process
Platybasia
Reference Values
Retrospective Studies
Skull Base
Tomography, X-ray Computed
Young Adult
Rights: aberto
Identifier DOI: 
Address: http://www.ncbi.nlm.nih.gov/pubmed/25252235
Date Issue: 2014
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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