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Updated: May 19, 2026

A Mobile Outside-in Technique of Transforaminal Lumbar Endoscopy for Lumbar Disc Herniations
Published on: August 7, 2018
CT-guided transforaminal cervical and lumbar epidural injections
C Depriester1, S Setbon, A Larde
1Service de radiologie, Polyclinique du Bois, Lille, France. claude.depriester@yahoo.com
Transforaminal injections, while effective for pain relief in 60-70% of cases, carry risks of serious complications like stroke and paraplegia. Careful patient selection, precise needle placement, and contrast verification are crucial for safe and effective corticosteroid delivery.
Area of Science:
- Pain Management
- Neurosurgery
- Radiology
Background:
- Transforaminal injections are a common procedure for pain management.
- Serious complications, including stroke and paraplegia, have been reported.
- Regulatory warnings highlight the risks associated with corticosteroid use in these injections.
Purpose of the Study:
- To emphasize the critical need for rigorous adherence to best practices in transforaminal injections.
- To review the indications, technical performance, and patient management protocols.
- To mitigate the risk of severe adverse events associated with the procedure.
Main Methods:
- Review of reported complications and regulatory warnings.
- Emphasis on precise needle placement in the posterior foramen.
- Validation of correct needle placement using contrast injection.
- Recommendation for specific corticosteroids like cortivazol (Altim®).
Main Results:
- Transforaminal injections demonstrate durable effectiveness in 60-70% of patients.
- Complications, though rare, can be severe, including neurological deficits.
- Meticulous technique and patient management are key to minimizing risks.
Conclusions:
- Rigor in indication, technique, and patient management is paramount for transforaminal injections.
- Proper needle positioning and contrast use are essential safety measures.
- While effective, the potential for serious complications necessitates a cautious approach.
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