Presentation
Elderly patient with symptoms attributable to the left S1 nerve root.
From the case:
S1 nerve root injection (fluoroscopy)
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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.
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