Web22 Jan 2024 · Retrospective Cohort/Single-Institution of 124 consecutive patients with acute odontoid fractures. Two independent blinded reviewers measured AAI using post-injury CT scans. Patients were classified as having "severe" or "minimal" AAI on the basis of greater versus less than or equal to 50% mean subluxation across each C1-C2 facet joint. WebThe C2 pedicle has substantial anatomic variation in up to 18% of individuals, which can put the vertebral artery at risk for injury.19 The Harms technique for C1-C2 fixation (with C1 lateral mass and C2 pedicle screws) has gained popularity over the Magerl transarticular screw technique because it provides greater freedom for screw trajectory and potentially …
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Web7 Apr 2024 · Fractures of the odontoid process of the axis. J Bone Joint Surg Am. 1974 Dec. 56 (8):1663-74. [QxMD MEDLINE Link]. ... Olerud C. Posterior atlanto-axial fusion … WebFusion of the atlas (C1) and occipital bone: Spinal cord compression if the anteroposterior diameter of the foramen magnum behind the odontoid process is 19 mm . Basilar invagination (upward bulging of the occipital … free slots 247 bonus
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WebIntroduction: The purpose of this study was to evaluate risk factors of accompanied C1 fractures in elderly patients with type II odontoid fractures (OF) and to analyze the … Weban asymmetry of the odontoid lateral mass interspaces, as well as posterior displacement of C1 lateral mass on C2 on the left and anterior displacement on the right, 3 mm atlanto-dental interval, bilateral pars fracture with less than ... and C1/C2 joint effusion [Figure 1]. Moreover, there was no evidence of ligament damage. The brain MRI ... WebBasilar invagination is a rare craniocervical malformation which may lead to neurological deficits related to compression of brainstem and upper cervical cord as well as instability of the craniocervical junction This study presents results of a treatment algorithm developed over a 20-year period focussing on anatomical findings, short-term and long-term … free slot play igt