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Incidence of basilar invagination in patients with tonsillar herniation? A case control craniometrical study.
Arq Neuropsiquiatr. 2014 Sep; 72(9):706-11.AN

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%).

Authors+Show Affiliations

Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Departamento de Neurologia, Universidade Estadual de Campinas, Campinas, SP, Brazil.Orthopaedic Surgery, Northwestern University, Chicago, Illinois, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

25252235

Citation

Joaquim, Andrei F., et al. "Incidence of Basilar Invagination in Patients With Tonsillar Herniation? a Case Control Craniometrical Study." Arquivos De Neuro-psiquiatria, vol. 72, no. 9, 2014, pp. 706-11.
Joaquim AF, Fernandes YB, Mathias RN, et al. Incidence of basilar invagination in patients with tonsillar herniation? A case control craniometrical study. Arq Neuropsiquiatr. 2014;72(9):706-11.
Joaquim, A. F., Fernandes, Y. B., Mathias, R. N., Batista, U. C., Ghizoni, E., Tedeschi, H., & Patel, A. A. (2014). Incidence of basilar invagination in patients with tonsillar herniation? A case control craniometrical study. Arquivos De Neuro-psiquiatria, 72(9), 706-11.
Joaquim AF, et al. Incidence of Basilar Invagination in Patients With Tonsillar Herniation? a Case Control Craniometrical Study. Arq Neuropsiquiatr. 2014;72(9):706-11. PubMed PMID: 25252235.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Incidence of basilar invagination in patients with tonsillar herniation? A case control craniometrical study. AU - Joaquim,Andrei F, AU - Fernandes,Yvens Barbosa, AU - Mathias,Roger N, AU - Batista,Ulysses C, AU - Ghizoni,Enrico, AU - Tedeschi,Helder, AU - Patel,Alpesh A, PY - 2013/10/29/received PY - 2014/07/10/accepted PY - 2014/9/25/entrez PY - 2014/9/25/pubmed PY - 2015/2/24/medline SP - 706 EP - 11 JF - Arquivos de neuro-psiquiatria JO - Arq Neuropsiquiatr VL - 72 IS - 9 N2 - 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%). SN - 1678-4227 UR - https://www.unboundmedicine.com/medline/citation/25252235/Incidence_of_basilar_invagination_in_patients_with_tonsillar_herniation_A_case_control_craniometrical_study_ L2 - http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0004-282X2014000900706&amp;lng=en&amp;nrm=iso&amp;tlng=en DB - PRIME DP - Unbound Medicine ER -