PMC6094499_01
T2 weighted lumbar sagittal MRI view demonstrating spinal stenosis at L4-L5 and L5-S1
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F1
The lumbar MRI showed significant disc herniations at the L4-5 and L5-S1 levels contributing to moderate central/foraminal stenosis [Figure 1].
PA x-ray of lumbar spine demonstrating adequate contrast spread at the right L4 nerve root
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F2
He underwent a right L5/S1 TFESI performed under fluoroscopic guidance (e.g., injection of 3 ml water soluble, iodine-based contrast with 1 ml of 10 mg/ml dexamethasone and 1 ml of 1% PF lidocaine) [Figure 2].