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Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado

2013, Number 4

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Rev Esp Med Quir 2013; 18 (4)

Congenital Aplasia of Anterior and Posterior Arch of Atlas

Flores RMÁ, Rodríguez MAF, Fernández de Lara CG, Hernández GLS

Language: Spanish
References: 13
Page: 350-353
PDF size: 502.86 Kb.


ABSTRACT

Birth defects in formation of the atlas are rare anomalies, one of which is partial or complete absence of the posterior and/ or anterior arch. There is a rare subgroup of patients with this disease, predisposed to various symptoms and neurological deficits. Congenital anomalies of the posterior arch with a prevalence of 4% in the general population, but associated with anterior defect is even more infrequent. The anterior arch defects or cleft are also called as seen in approximately 0.09 to 0.1% of the population. In most of these patients this defect is associated with abnormal development of the posterior arch. This paper reports a clinical case that showed defects of fusion posterior and anterior arch associated to the atlas, and brief review of previous literature.


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