Abstract

MOSQUERA BETANCOURT, Gretel et al. Combined fracture of atlas and axis with infrequent. AMC [online]. 2016, vol.20, n.5, pp. 536-545. ISSN 1025-0255.

Background: combined lesions of atlas and axis are the most common cervical spine traumas in elderly people, with an incidence of about 70 %. The diagnosis demands the use of advance radiologic procedures and the treatment options runs through conservative to complex surgical interventions to restore the stability of the occipito-cervical region. Objective: to present a combined lesion of the first and second cervical vertebra as a less frequent shape of odontoid fracture. Clinical case: a 79-year-old patient who suffered a posterior cranial trauma followed by bilateral cervicobrachialgia and paresthesias after a horse fall. At physical exploration no signs of radicular or cordonal compression were demonstrated. Computarized axial tomography with tridimentional reconstructions showed a bilateral and symmetrical fracture of the posterior arch of the atlas, associated with longitudinal and oblique fracture of odontoid next to the isthmus. No dislocation was observed that is why the upper cervical spine stability was preserved. Conservative treatment was achieved by an external orthesis with a favourable evolution. Conclusions: for atlantoaxial traumatic lesions diagnosis, the use of computerized axial tomography is important associated or not with nuclear magnetic resonance. The stability of this region in correspondence with neurological status are the most important factors to select the best treatment choice.

Keywords : CERVICAL ATLAS [injuries]; ODONTOID PROCESS; FRACTURES, BONE; AGED; CASE REPORTS.

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