Lumbar foraminal stenosis is a common degenerative disease, accounting for approximately 8–11% of lumbar degenerative disease [1]. In lumbar foraminal stenosis, an exiting nerve root or dorsal root ganglion is compressed by hypertrophied facet joint, thick ligamentum flavum, or disc protrusion [2]. A compressed nerve root presented severe radiculopathy, causing gait disturbance.

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Biportal Endoscopic Paraspinal Approach for Lumbar Foraminal Stenosis

  • Dong Han Kim,
  • Nam Lee,
  • Choung Kee Chough

摘要

Lumbar foraminal stenosis is a common degenerative disease, accounting for approximately 8–11% of lumbar degenerative disease [1]. In lumbar foraminal stenosis, an exiting nerve root or dorsal root ganglion is compressed by hypertrophied facet joint, thick ligamentum flavum, or disc protrusion [2]. A compressed nerve root presented severe radiculopathy, causing gait disturbance.