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Neuroradiology

, Volume 47, Issue 10, pp 721–729 | Cite as

Degeneration of the cervical disc: histology compared with radiography and magnetic resonance imaging

  • A. Christe
  • R. Läubli
  • R. Guzman
  • U. Berlemann
  • R. J. Moore
  • G. Schroth
  • P. Vock
  • K. O. Lövblad
Diagnostic Neuroradiology

Abstract

Decisions about the treatment of neck pain are largely made on the basis of information gained from plain X-rays and magnetic resonance imaging (MRI), which are used routinely as part of preliminary investigation. We performed a descriptive cadaveric study to compare histology with radiography and MRI. We correlated plain radiography, disc height [Farfan index (FI)] and MRI findings with histology to assess the ability of radiology to detect significant pathologic lesions. The study included 52 motion segments from nine subjects over the age of 50, who underwent routine hospital autopsy. Disc degeneration was assessed by histology, radiography, disc height (FI: anterior disc height plus posterior disc height divided by anterioposterior diameter) and MRI using established grading systems. Most of the discs were classified radiologically as grade 1 (19/52), grade 2 (13/52), grade 3 (9/52) or grade 4 (3/52). Eight of the discs were graded as normal. The distribution of MRI grades was grade 0 (9/36), grade 1 (9/36), grade 2 (7/36), grade 3 (8/36) and grade 4 (3/36). Half of the discs (26/52) showed advanced (grade 4) degeneration histologically. FI correlated with histological grade (P=0.013), MRI grade (P=0.02) and radiological grade (P<0.001) of degeneration. Radiological and histological grade of degeneration showed a weak correlation (r=0.3, P=0.033). MRI correlated with overall histological grade (r=0.41, P=0.015, n=34). Histological features (e.g., tears, rim lesions, prolapse of nucleus material) were poorly recognised by MRI, which had a sensitivity for disc material prolapse and annulus tears of less than 40%. Our study showed that discs from patients over 50 years are histologically severely degenerated; however, these changes may not be detected by conventional radiography and MRI.

Keywords

Cervical spine Disc degeneration Histology Radiography MRI Cadaver study 

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • A. Christe
    • 1
  • R. Läubli
    • 2
  • R. Guzman
    • 3
  • U. Berlemann
    • 2
  • R. J. Moore
    • 4
  • G. Schroth
    • 3
  • P. Vock
    • 1
  • K. O. Lövblad
    • 3
    • 5
  1. 1.Department of Radiology, InselspitalUniversity of BerneBerneSwitzerland
  2. 2.Department of Orthopaedic Surgery, InselspitalUniversity of BerneBerneSwitzerland
  3. 3.Department of Neuroradiology, InselspitalUniversity of BerneBerneSwitzerland
  4. 4.Institute of Medical and Veterinary ScienceAdelaideSouth Australia
  5. 5.Neuroradiology SRRIGeneva University HospitalGeneva 14Switzerland

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