Abstract
Atlantoaxial rotatory fixation (AARF) remains a recondite entity. An earlier normative study conducted by the author’s group using computed tomography (CT) motion analysis shows that there is a high degree of concordance for rotational behavior of C1 and C2 in children 0 to 18 years. This enables the construction of the physiologic C1-C2 rotation motion curve, such that AARF can be defined and classified by comparing the patient’s abnormal motion analysis curve to this normative template. This chapter therefore begins with a detailed brief preamble on the clinical signatures of AARF, followed by a disquisition on the normal and pathological rotation dynamics of the C1-C2 joint.
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Pang, D. (2017). Atlantoaxial Rotatory Fixation (AARF). In: Di Rocco, C., Pang, D., Rutka, J. (eds) Textbook of Pediatric Neurosurgery. Springer, Cham. https://doi.org/10.1007/978-3-319-31512-6_136-1
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DOI: https://doi.org/10.1007/978-3-319-31512-6_136-1
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