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Related Experiment Video

Updated: Jun 2, 2026

The Third Channel-Assisted Unilateral Biportal Endoscopic Technique for Lumbar Spinal Stenosis Combined with Contralateral Disc Herniation
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Unsuspected reason for sciatica in Bertolotti's syndrome.

M Shibayama1, F Ito, Y Miura

  • 1Aichi Spine Institute, 41 Gouhigashi, Takao, Fuso-cho, Niwa-gun, Aichi 480-0102, Japan. moto@itoortho.or.jp

The Journal of Bone and Joint Surgery. British Volume
|April 23, 2011
PubMed
Summary
This summary is machine-generated.

Bertolotti's syndrome patients often suffer severe sciatica due to lumbosacral anomalies. Endoscopic extraforaminal decompression effectively relieved symptoms when standard surgery failed, suggesting extraforaminal nerve root impingement.

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Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Anatomy

Background:

  • Bertolotti's syndrome is a congenital spinal anomaly.
  • Patients frequently experience debilitating sciatica.
  • Standard surgical decompression may not always resolve symptoms.

Observation:

  • A case study of a Bertolotti's syndrome patient with intractable sciatica.
  • Conventional nerve root decompression proved ineffective.
  • Symptoms persisted despite standard surgical intervention.

Findings:

  • Endoscopic lumbosacral extraforaminal decompression successfully alleviated sciatica.
  • The enlarged transverse process in Bertolotti's syndrome can cause extraforaminal nerve root impingement.
  • This specific anatomical variation requires targeted surgical approaches.

Implications:

  • Endoscopic extraforaminal decompression is a viable treatment for sciatica in Bertolotti's syndrome.
  • Understanding the extraforaminal compression mechanism is crucial for surgical planning.
  • This technique offers a minimally invasive option for complex spinal conditions.