Journal of Spine & NeurosurgeryISSN: 2325-9701

Case Report, J Spine Neurosurg Vol: 3 Issue: 1

Occipitalisation of Atlas with Sudden Onset

Riccardo Ciarpaglini*, Patrick Sutter, Philippe Otten and Gianluca Maestretti
Department of Orthopaedic Surgery, Cantonal Hospital Fribourg, Switzerland
Corresponding author : Riccardo Ciarpaglini
Department of Orthopaedic Surgery, Cantonal Hospital Fribourg, Switzerland
Tel: +41/799439058; Fax: +41/264267225
E-mail: [email protected]
Received: November 19, 2013 Accepted: December 16, 2013 Published: December 23, 2013
Citation: Ciarpaglini R, Sutter P, Otten P, Maestretti G (2014) Occipitalisation of Atlas with Sudden Onset. J Spine Neurosurg 3:1 doi:10.4172/2325-9701.1000130

Abstract

Occipitalisation of Atlas with Sudden Onset

Occipitalization or assimilation of the atlas, atlanto-occipital fusion and occipito-cervical synostosis are synonyms and indicate a fusion of C1 to the base of the skull. This condition was initially described by Rokitansky in 1844 and was demonstrated radiologically by Schuller in 1911. Atlo-occipital fusion can be complete or partial, unilateral or bilateral and bony or fibrous. Its incidence is reported from 0.14 to 3.63% according to different authors in the whole population, with equal repartition in both sexes and it is considered the most common anomaly of the cranio-cervical junction.

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