Recent advances in Grade 5 spondylolisthesis management have made it possible to address even the most complex spinal deformities through specialized techniques. A groundbreaking case study illustrates the success of a single-stage posterior approach for a patient with neurofibromatosis type 1 (NF1) and dural meningocele. Clinicians often refer to this severe anterior displacement of the L5 vertebra as spondyloptosis.

Initially, the 18-year-old female patient suffered from severe low back pain and radicular symptoms in both lower limbs. Imaging revealed the L5 vertebra had slipped entirely past the sacrum. Magnetic resonance imaging furthermore showed a dural meningocele extending through multiple spinal foramina. Despite undergoing three months of halo traction, her condition failed to improve significantly. Consequently, the surgical team decided on a bold operative strategy.

Optimizing Grade 5 Spondylolisthesis Management

The surgeons performed a single-stage posterior L5 vertebrectomy and a sacral dome osteotomy. Additionally, they utilized L2-S1 pedicle screw fixation for stabilization. While the patient experienced a temporary inability to raise her legs immediately post-surgery, she regained full function within three days. At the 1.5-year follow-up, CT scans confirmed solid bone fusion and stable hardware placement without any cage dislocation.

Traditionally, such high-grade slips required complex multi-stage procedures involving both anterior and posterior incisions. However, this case demonstrates that a posterior-only approach achieves excellent clinical outcomes while minimizing surgical trauma. This technique proves particularly valuable when managing patients with concurrent conditions like NF1, where dural abnormalities increase surgical risk. This adaptation of established techniques offers a promising alternative for complex spinal reconstruction.

Frequently Asked Questions

What makes Grade 5 spondylolisthesis management particularly challenging?

Grade 5 spondylolisthesis involves the complete displacement of a vertebra, which surgeons call spondyloptosis. This condition causes significant neurological risk, severe deformity, and technical difficulties in achieving stable reduction and fusion.

Why do surgeons prefer a single-stage posterior approach for these cases?

A single-stage posterior approach avoids the morbidity of an additional anterior abdominal incision. It allows for direct decompression of neural elements and a more efficient reduction of the deformity during a single operative session.

Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or establish a doctor-patient relationship. Always seek the advice of a qualified healthcare provider regarding any medical condition. Refer to the latest local and national guidelines for clinical practice.

References

Ye C et al. Single-stage posterior surgical management of grade 5 L5 spondylolisthesis in a patient with neurofibromatosis type 1 and dural meningocele: illustrative case. J Neurosurg Case Lessons. 2026 Feb 16. doi: undefined. PMID: 41698199.

Ganesh A et al. Surgical management of high-grade spondylolisthesis: A review of current techniques and outcomes. Indian Journal of Orthopaedics. 2023;57(4):512-520.

Laouissat F et al. One-stage posterior spinal shortening by L5 partial spondylectomy for spondyloptosis or L5-S1 high-grade spondylolisthesis management. European Spine Journal. 2016;25(10):3063-3071.