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Updated: Jun 12, 2026

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A Mobile Outside-in Technique of Transforaminal Lumbar Endoscopy for Lumbar Disc Herniations
Published on: August 7, 2018
Inadvertent discogram during transforaminal epidural injection in patients with lumbar disc herniation -A report of 2
Hyun Seog Moon1, Byung Cheul Shin, Heung Soon Im
1Moon Hyun Seok's Pain Clinic, Gwangju, Korea.
Korean Journal of Anesthesiology
|May 26, 2010
Abstract:
The transforaminal epidural injection (TFEI) has been preferred in many cases because it can deliver the injected dose of medication closer to the nerve root and better facilitate ventral epidural flow compared to other methods. However, in patients with deformities not demonstrated on fluoroscopic imaging, the needle may enter unwanted locations. We treated two cases of intradiscal injection of contrast dye, during the TFEI, in patients with lumbar disc herniation.
