Análise tomográfica para colocação de parafusos intralaminares em C2 Tomographic analysis for the placemant of laminar C2 screws Análisis por tomografía en el uso de tornillos intralaminares en C2

Objective: the anatomical study of the cervical vertebrae in our population, measuring the dimensions of the thickness, length and lamina angle have as intention to bring trustworther parameters to improve and guide the cervical procedure with intralaminar screws in C2 fixation. Methods: ninety six computerized tomographies had been studied, evaluating sex, age, and measurements of the dimension e angle of the C2 vertebrae lamina, in the point of lesser thickness of the lamina in the sequenced tomographic axial cut. Statistical analysis was performed using Student “t” tests.