, Volume 35, Issue 8, pp 596–597 | Cite as

Cervical intervertebral foramen narrowing and myelographic nerve root sleeve deformities

  • J. Pyhtinen
  • J. Laitinen
Diagnostic Neuroradiology


Intervertebral foramen narrowing on plain radiographs of the cervical spine was graded from 0 (normal) to 3 according to its severity; meyelographic nerve root sleeve deformity was graded from 1 to 3 in 99 consecutive patients with cervical radiculopathy. We thus examined 1118 foramina and root sleeves. Plain radiographs of 684 foramina were normal, changes of one grade were seen in 243, of two grades in 145 and of three grades in 46. Grading of myelographic root sleeves' was normal in 789, changes of one grade in 157, of two grades in 129, and of three grades in 43. The correlations between the foraminal and root sleeve changes were: full correlation in 63.9%, a difference of one grade in 27.4%, a difference of two grades in 7.4% and a difference of three grades in 1.3%.

The positive predictive value of the plain radiographs for myelographic root sleeve deformities was 55.5% and the negative value 87.1%

Key words

Cervical spine Root sleeve Intervertebral foramen 


  1. 1.
    Taveras JM, Wood EH (1964) Diagnostic radiology. William and Wilkins, BaltimoreGoogle Scholar
  2. 2.
    Irvine DH, Foster JB, Newell DJ, Klukvin BN (1965) Prevalence of cervical spondylosis in a general practice. Lancet I:1089–1091Google Scholar
  3. 3.
    Pesch HJ, Bischoff W, Becker TH, Seibold H (1984) On the pathogenesis of spondylosis deformans and arthrosis uncovertebralis. Arch Orthop Traum Surg 103:201–211Google Scholar
  4. 4.
    Brown BH, Schwartz RH, Frank E, Blank NK (1988) Preoperative evaluation of cervical radiculopathy and myelopathy by surface-coil MR imaging. AJNR 9:859–866Google Scholar
  5. 5.
    Ross JS (1992) MR imaging of the cervical spine: techniques for two and three-dimensional imaging. AJR 159:779–786Google Scholar
  6. 6.
    Fox AJ, Lin JP, Pinto RS, Kricheff II (1975) Myelographic nerve root deformities. Radiology 116:355–361Google Scholar
  7. 7.
    Penning L, Wilmink JT, van Woerden HH, Knol E (1986) CT myelographic findings in degenerative disorders of the cervical spine: clinical significance. AJR 146:793–801Google Scholar
  8. 8.
    Nakstad P, Sortland O, Wiberg J (1985) The correlation of myelographic root sleeve deformity, uncovertebral spondylosis and radiculopathy. Neuroradiology 27:334–336Google Scholar

Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • J. Pyhtinen
    • 1
  • J. Laitinen
    • 1
  1. 1.Department of Diagnostic RadiologyUniversity of OuluOuluFinland

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