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AJNR - American Journal of Neuroradiology

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CT Fluoroscopic-Guided Cervical Nerve Root Blocks

Andrew L. Wagner^a

^a From the Department of Radiology, Rockingham Memorial Hospital, Harrisonburg, VA, and University of Virginia School of Medicine, Charlottesville, VA

View larger version (92K): [in a new window]   FIG 1. Axial CT fluorscopic image demonstrates the approach used to access the neural foramen. Needle tip is located along the posterior foramen, well away from the vertebral vessels but directly adjacent to the exiting nerve root.

View larger version (72K): [in a new window]   FIG 2. After its injection, the contrast material is noted to travel along the posterior aspect of the nerve root within the neural foramen. In many cases, transforaminal contrast enhancement is not seen, as the material stays around the ganglion and extraforaminal nerve.