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Type: Artigo de periódico
Title: Incidence Of Basilar Invagination In Patients With Tonsillar Herniation – A Case Control Craniometrical Study [incidência Da Invaginação Basilar Com Heriação Tonsilar – Estudo Da Craniometria Do Tipo Caso-controle]
Author: Joaquim A.F.
Fernandes Y.B.
Mathias R.N.
Batista U.C.
Ghizoni E.
Tedeschi H.
Patel A.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%).
Editor: Associacao Arquivos de Neuro-Psiquiatria
Citation: Arquivos De Neuro-psiquiatria. Associacao Arquivos De Neuro-psiquiatria, v. 72, n. 9, p. 706 - 711, 2014.
Rights: aberto
Identifier DOI: 10.1590/0004-282X20140113
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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