PMC4325509_01
A: Sagittal MRI (the red arrow identifies the foraminal herniated nucleus pulposus (HNP)). B: Sub-articular (SA) and far-lateral (FL) disc herniations.
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F0002
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.
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F0003
PMC4325509_02
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.
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F0004
A, B: Post-operative MRI 5 months after discectomy.
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F0005
PMC4325509_03
A, B: Preoperative MRI demonstrating L4-5 foraminal/subarticular herniated nucleus pulposus (HNP) and far-lateral HNP. Nerve root (NR) compression demonstrated.
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F0006
Pre-operative back showing two previous surgical incisions.
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F0007
Intradiscal starting (INTRA) line more medial and extra discal / intra foraminal (EXTRA) starting line more lateral. Dark line is posterior facet line (PFL).
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F0008
A: Subarticular herniated nucleus pulposus (HNP).B: L3 nerve root.
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F0009
Postoperative incision (9 mm).
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F0010
PMC4325509_04
A, B: MRI of uni-focal herniated nucleus pulposus (HNP).
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F0011