Nerve root block (CT guided - L5)

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

Sciatica.

Patient Data

Age: Adult
Gender: Female

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. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.