Complete absence of the posterior arch of C1: Case report

Autor: R Khanna, Z A Smith, B J Dlouhy, N S Dahdaleh
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Journal of Craniovertebral Junction and Spine, Vol 5, Iss 4, Pp 176-178 (2014)
Druh dokumentu: article
ISSN: 0974-8237
DOI: 10.4103/0974-8237.147090
Popis: Posterior atlas arch anomalies are relatively common, but have a variety of presentations ranging from partial clefts to complete agenesis of the posterior arch. Partial clefts are prevalent in 4% of patients and are generally asymptomatic. However, complete agenesis of the posterior arch is extremely rare. We report the case of a 46-year-old man who presented with upper cervical spine and occipital pain as well as left sided headaches. Imaging revealed congenital complete absence of the posterior arch of C1 (Type E) without any radiographic evidence of instability. We discuss our case in light of other reported cases and detail its management.
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