• Reg Anesth Pain Med · May 2007

    Ultrasound-guided and CT-navigation-assisted periradicular and facet joint injections in the lumbar and cervical spine: a new teaching tool to recognize the sonoanatomic pattern.

    • Klaus Galiano, Alois Albert Obwegeser, Reto Bale, Christoph Harlander, Reinhold Schatzer, Michael Schocke, and Hannes Gruber.
    • Clinic of Neurosurgery, Medical University of Innsbruck, Innsbruck, Austria. klaus.galiano@i-med.ac.at
    • Reg Anesth Pain Med. 2007 May 1;32(3):254-7.

    Background And ObjectivesThe aim of this study is to provide a teaching tool to facilitate the acquirement of periradicular and facet-joint infiltration techniques in the cervical and lumbar spine.MethodsOn 3 fresh cadavers, a computed tomography (CT) of the lumbar and cervical region was obtained. By use of a dedicated image navigation and reconstruction system, sonographic images were generated and fused with the collected CT data set.ResultsThe sonoanatomy can be instantly compared with the correlating CT-images. This new bimodal method allows for simultaneous views of CT and ultrasound images. Multiplanar imaging of ultrasound-guided infiltrations is facilitated.ConclusionsThis teaching tool provides immediate CT-verification of sonographically identified structures and helps in the identification of bony landmarks, which are necessary for facet-joint and periradicular injections.

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