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Craniovertebral junction pathology in high cervical disc disease
Chandan B Mohanty1, Dhaval P Shukla, B Indira Devi
1Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, India.
British Journal of Neurosurgery
|June 16, 2012
Summary
Craniovertebral junction (CVJ) pathology is a key factor in high cervical disc degeneration (HCDD). Patients with HCDD show poorer outcomes and more MRI signal changes compared to lower cervical disc issues.
Area of Science:
- Neurosurgery
- Orthopedics
- Radiology
Background:
- High cervical disc degeneration (HCDD) is a significant clinical concern.
- Understanding predisposing factors for HCDD is crucial for effective management.
- Craniovertebral junction (CVJ) pathology may play a role in HCDD development.
Purpose of the Study:
- To identify predisposing factors for HCDD.
- To investigate the association between CVJ pathology and HCDD.
- To compare clinical and radiological parameters of patients with C3-4 PIVD versus C5-6 PIVD.
Main Methods:
- Retrospective analysis of 37 patients with C3-4 prolapsed intervertebral disc (PIVD) and 45 patients with C5-6 PIVD.
- Clinical assessment using Nurick's grade.
- Radiological evaluation including CVJ assessment and stress X-rays.
Main Results:
- Patients with C3-4 PIVD were older and had a higher prevalence of CVJ pathology compared to C5-6 PIVD patients.
- C3-4 PIVD was associated with poorer pre-operative and post-operative Nurick's grades.
- A higher incidence of T2 hyperintense intramedullary signal changes was observed in C3-4 PIVD patients.
Conclusions:
- CVJ pathology is a significant predisposing factor for HCDD.
- HCDD is associated with poorer clinical outcomes and increased intramedullary signal changes on MRI.
- T2 hyperintense intramedullary signal changes correlate with worse clinical status and outcomes in HCDD.
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