Article Figures & Data
Figures
- Fig. 1
Intra-foraminal needle starting point just anterior to the posterior facet line.
- Fig. 2
A: Sagittal MRI (the red arrow identifies the foraminal herniated nucleus pulposus (HNP)). B: Sub-articular (SA) and far-lateral (FL) disc herniations.
- Fig. 3
A: Left L3 nerve root (NR) with far lateral herniated nucleus pulposus (HNP) medial to the nerve. B: L3 nerve root (NR) partially decompressed. HNP (herniated nucleus pulposus). C: L3 nerve root decompressed. Kambin (K) triangle visualized. D: Normal full left hip extension 10 days post-operative.
- Fig. 4
A, B: Subarticular (SA) and paracentral (PC) herniated nucleus pulposus (HNP). C: Extruded disc (HNP) surrounding nerve root (NR). D: Post-discectomy, decompressed nerve root (NR) surrounded by epidural fat.
- Fig. 5
A, B: Post-operative MRI 5 months after discectomy.
- Fig. 6
A, B: Preoperative MRI demonstrating L4-5 foraminal/subarticular herniated nucleus pulposus (HNP) and far-lateral HNP. Nerve root (NR) compression demonstrated.
- Fig. 7
Pre-operative back showing two previous surgical incisions.
- Fig. 8
Intradiscal starting (INTRA) line more medial and extra discal / intra foraminal (EXTRA) starting line more lateral. Dark line is posterior facet line (PFL).
- Fig. 9
A: Subarticular herniated nucleus pulposus (HNP).B: L3 nerve root.
- Fig. 10
Postoperative incision (9 mm).
- Fig. 11
A, B: MRI of uni-focal herniated nucleus pulposus (HNP).
Tables
Subarticular + Paracentral/Central Subarticular + Far lateral Subarticular + Far lateral and Paracentral/Central L3–4 2 1 1 L4–5 4 2 5
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