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Arquivos de Neuro-Psiquiatria
On-line version ISSN 1678-4227
CASTRO, Igor de and LANDEIRO, José Alberto. Inside-outside occipito-cervical fixation: technical report. Arq. Neuro-Psiquiatr. [online]. 2003, vol.61, n.2A, pp. 291-295. ISSN 1678-4227. http://dx.doi.org/10.1590/S0004-282X2003000200027.
The clinical knowledgement of biomechanics of atlantoaxial complex have been proved that progressive instability has a mandatory occurrence after anterior decompression of the craniocervical junction. We report the occípitocervical fixation so called inside-outside technique, originally described by Pait et al. appliedin in two patients whom underwent odontoidectomy. The occipitalcervical fixation technique consist in the use of a titanium rod bended according with occipital cervical angle placed and fixed laterally over the cervical spine. The rod is fixed to the occipital bone by mean of placement a screw which flat portion is positioned onto the epidural space. In the cervical spine the rod is attached to transarticular screws placed at the superolateral quadrant of the articular mass. In the axis the screw is introduced through the pars interarticularis finishing at the axis body or the lateral mass of the atlas. This technique proved to be safe and easily applied in the patients whom underwent this surgical procedure.
Keywords : occípitocevical fixation; odontoidectomy; transoral approach.