SCHEDULED DOWNTIME: We will be performing a database migration that will result in the site being unavailable for approximately 1 hour starting at UTC: Monday, 20 May 2024 11:00 PM (check your local time here

S1 nerve root injection (fluoroscopy)

Case contributed by Frank Gaillard
Diagnosis certain


Elderly patient with symptoms attributable to the left S1 nerve root.



Case Discussion

Under fluoroscopic guidance, a needle is advanced through the posterior foramen until the pain is reproduced. Perineural and extradural location is confirmed with an injection of a small amount of contrast, following which a mixture of bupivacaine and betamethasone valerate is injected. 

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.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.