O-arm navigation-guided uni-portal non-coaxial spinal endoscopic surgery for the precise treatment of far-out syndrome—a case report and literature review - Report - MDSpire

O-arm navigation-guided uni-portal non-coaxial spinal endoscopic surgery for the precise treatment of far-out syndrome—a case report and literature review

  • By

  • Kai Lv

  • Dong Zhang

  • Xinhe Wang

  • Qiugen Wang

  • Zhichao Ge

  • En Song

  • Hao Sun

  • Mencheng Yin

  • Jiajun Wu

  • Shuqiang Wang

  • Jianmin Li

  • June 17, 2026

  • 0 min

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Clinical Report: Utilization of O-arm Navigation in Uni-portal Non-coaxial Spinal Endoscopic Surgery

Overview

This report discusses the use of O-arm navigation in uni-portal non-coaxial spinal endoscopic surgery for the management of Far-out Syndrome. A case study of a 67-year-old male is presented.

Background

Far-out Syndrome is characterized by the extracanal compression of the L5 nerve root, often leading to misdiagnosis due to its similarity to other conditions. The limited detection rates and lack of standardized surgical approaches make this condition a clinical challenge.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

  • Far-out Syndrome involves L5 nerve root compression in the extraforaminal region.
  • Diagnosis is often delayed due to the condition's rarity and similarity to other spinal disorders.
  • Uni-portal non-coaxial spinal endoscopic surgery (UNS) was performed under O-arm navigation.
  • The patient experienced symptom relief post-surgery.
  • No significant recurrence of symptoms was noted during the 6-month follow-up period.

Clinical Implications

The use of O-arm navigation in UNS may enhance surgical precision in managing Far-out Syndrome.

Conclusion

The case study suggests that uni-portal non-coaxial spinal endoscopic surgery under O-arm navigation is a technique for treating Far-out Syndrome.

Related Resources & Content

  1. Acta Neurochirurgica, 2026 -- Complications and their prevention in unilateral biportal endoscopy: a systematic review with narrative insights and practical management algorithms
  2. Frontiers in Surgery, 2026 -- Clinical outcomes of uni-portal non-coaxial spinal endoscopic surgery versus unilateral biportal endoscopic surgery for lumbar spinal stenosis: a retrospective cohort study
  3. Frontiers in Surgery, 2026 -- Unilateral biportal endoscopic decompression for thoracic intraspinal gout with ossified ligamentum flavum: a case report and literature review
  4. Far-out Syndrome: A Comprehensive Review of Diagnosis and Treatment Evolution
  5. Unilateral Biportal Endoscopy for L5-S1 Extraforaminal Stenosis (Far Out Syndrome) – Technical Note with Literature Review
  6. DIGITAL HEALTH — Optimizing incision placement for maximum disc and endplate preparation in lumbar endo-fusion using parametric modeling, genetic algorithms, and machine learning
  7. Application of the far-lateral approach in uni-portal non-coaxial spinal endoscopic surgery: an evidence-based and Delphi consensus approach among Chinese expert opinions
  8. Unilateral Biportal Endoscopy for L5-S1 Extraforaminal Stenosis (Far Out Syndrome) – Technical Note with Literature Review - PMC
  9. Far-out Syndrome: A Comprehensive Review of Diagnosis and Treatment Evolution

Original Source(s)

O-arm navigation-guided uni-portal non-coaxial spinal endoscopic surgery for the precise treatment of far-out syndrome—a case report and literature review

  • by Kai Lv, Dong Zhang, Xinhe Wang, Qiugen Wang, Zhichao Ge, En Song, Hao Sun, Mencheng Yin, Jiajun Wu, Shuqiang Wang, Jianmin Li

  • June 17, 2026

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