Does the size of cervical disc herniation affect clinical parameters in cervical radiculopathy?

Why This Matters

MRI findings often heavily influence clinical decision-making in cervical radiculopathy. Larger disc herniations are frequently assumed to cause more severe symptoms and worse outcomes. This study challenges that assumption and helps clarify whether imaging size actually reflects clinical reality.

What the Research Found

This multi-center cohort study evaluated 206 patients with cervical radiculopathy, comparing disc herniation size on MRI with baseline symptoms and one-year outcomes across both surgical and conservative treatment groups.

Key Findings:

    • No correlation between disc size and symptom severity at baseline
    • No relationship between disc size and outcomes at one year
    • Findings were consistent across:
      • Surgical and conservative treatment groups
      • Pain scores (VAS)
      • Disability (NDI)
      • Quality of life (EQ-VAS)
    • Results suggest that inflammation—not just mechanical compression—plays a key role in symptoms

Clinical Takeaways

    • Recognize that larger disc herniations do not necessarily mean worse symptoms or outcomes
    • Be aware that imaging findings alone may not predict patient experience or recovery
    • Consider that inflammatory mechanisms may play a significant role in cervical radiculopathy
    • Avoid over-reliance on MRI size when making treatment decisions
    • Focus on clinical presentation and symptom progression, not just imaging

Where Collaborative Spine Care May Support This

This study reinforces the importance of a clinical, patient-centered approach rather than imaging-driven decision-making. Conservative spine care and manual medicine approaches may help address both mechanical and inflammatory contributors to symptoms, supporting recovery regardless of disc size.

Reference

Gül A, Yang X, Goedmakers CMW, Vleggeert-Lankamp C. Does the size of cervical disc herniation affect clinical parameters in cervical radiculopathy? J Clin Med. 2025;14(24):8900.
DOI: http://dx.doi.org/10.3390/jcm14248900
PubMed: https://pubmed.ncbi.nlm.nih.gov/41464802/