Presentation
Sciatica.
Patient Data
Age: Adult
Gender: Female
From the case:
Nerve root block (CT guided - L5)
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bone window
A 22G 15cm needle has been threaded to just next to the L5 nerve root and extradural, extravascular location confirmed with the injection of a small amount of air, prior to injecting a mixture of Celestone and Marcaine.
Case Discussion
CT can be used to guide needles into small bony apertures, in this case to perform a L5 nerve root block.