J Neurosurg Sci
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The particular biomechanics of the upper cervical spine require, when trauma occurs, careful evaluation of the stability of the lesions, in order to guarantee the best possible therapeutic and prognostic approach. To date, there has been no uniformity of opinion in merit, especially with reference to treatment of odontoid fractures. It is necessary for this reason as much as for the opportune standardisation of the patients' classification parameters to establish what is meant by stability and which lesions are to be held as being unstable in the upper cervical spine. ⋯ The judgement passed on instability in traumatic lesions in the upper cervical spine represents the decisive factor in the choice of the therapeutic option. Instead of always opting for conservative treatment, in the case of C1-C2 fractures-luxations, and going ahead with surgery only when there is instability or non-fusion of the segments resulting after successive monitoring, we believe that the definition and standardisation of the prognostic factors is opportune, in order to provide patients with a specific solution, in such a way as to reduce the failure percentage of the first treatment and optimise the healing time.