1. Occipital condyle screw fixation viability according to age and gender anatomy: A computed tomography-based analysis.
- Author
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Ramos-Dávila EM, Meléndez-Flores JD, Álvarez-Pérez R, Barrera-Flores FJ, Martínez-Cobos MC, Pinales-Razo R, Quiroga-Garza A, Zarate-Garza P, Sanchez-Gomez A, Guzman-Lopez S, and Elizondo-Omaña RE
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, Cadaver, Child, Child, Preschool, Female, Humans, Male, Mexico, Middle Aged, Tomography, X-Ray Computed methods, Young Adult, Age Factors, Bone Screws adverse effects, Occipital Bone surgery, Sex Characteristics, Spinal Fusion methods
- Abstract
Objective: To assess the Occipital condyle morphology in an all-age population of Northeastern Mexico, and determine age and gender related changes for surgical viability., Methods: A total of 175 consecutive HRCT scans were included and divided into 5 age groups. The condylar length, width, height, sagittal angle, anterior, posterior and medial intercondylar distances, and intercondylar angle of the OC were measured., Results: Mean condylar length, width, and height in total population were 20.58 mm, 9.42 mm, and 9.02 mm, respectively. Differences were observed in most morphometric parameters when comparing age groups. Significant intergender differences in total population were observed in most parameters, when individualizing each age group the height remained significant in all. The group with the least height measurement was aged 5-9 years, this however, could allow the OC screw (≥6.5 mm) placement., Conclusion: Differences in most morphometric parameters of OC were observed between age groups and gender, particularly patients with 5-9 years. However, all groups presented a minimum height that allows the placement of a standard screw. A preoperative imaging study is always recommended due to the variability and complexity of the region., (Copyright © 2020 Elsevier B.V. All rights reserved.)
- Published
- 2021
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