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  • Title: [Imitation of an Anderson type II dens fracture by a motion artefact in computed tomography : Four case examples].
    Author: Morgenstern M, Friederichs J, Gärtner C, Bühren V, Gonschorek O.
    Journal: Unfallchirurg; 2016 May; 119(5):450-3. PubMed ID: 26537970.
    Abstract:
    Computed tomography (CT) is the method of choice in the diagnosis and classification of odontoid fractures with a sensitivity of more than 99 % and a specificity almost equally as high. In this article we report on four cases where CT-generated motion artefacts exactly mimicked an Anderson type II fracture of the dens axis, initially leading to a wrong diagnosis. Although this seems to be a very rare event, these cases indicate that overlooked CT motion artefacts can lead to severe consequences and attention must be paid to the radiological signs outlined in this report.
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