Fig. 4.

MRI of a 56-year-old woman. Extraforaminal disc herniation with a successful result. She was suffering from severe posterior thigh and lateral leg pain with tingling sensations. Surgery was planned for this patient as conservative management with oral and intravenous medication had failed.

A-C. The T1-weighted consecutive axial images. Extraforaminal disc herniation (arrow) is observed just above the level of the L5-S1 disc. Note that the disc is located at the extraforaminal course of the left L5 nerve (arrowheads). Left L5 transforaminal epidural steroid injection resulted in remarkable improvement and it removed the need for surgery. Eight months after injection the symptoms had disappeared and she was in a satisfactory condition.