The Spine Journal
Volume 10, Issue 6 , Pages 475-485 , June 2010

Comparison of prognostic value of different MRI classifications of signal intensity change in cervical spondylotic myelopathy

  • Ashwin Avadhani, MS(Orth), DNB(Orth)
  • ,
  • S. Rajasekaran, PhD

      Affiliations

    • Corresponding Author InformationCorresponding author. Department of Orthopedic and Spine Surgery, Ganga Hospital, 313, Mettupalayam Rd, Coimbatore 641043, India. Tel.: (91) 422-2485000; fax: (91) 422-245144.
  • ,
  • Ajoy P. Shetty, MS(Orth), DNB(Orth)

Received 9 February 2010 ,Accepted 14 March 2010.

References 

  1. Takahashi M, Sakamoto Y, Miyawaki M, Bussaka H. Increased MR signal intensity secondary to chronic cervical cord compression. Neuroradiology. 1987;29:550–556
  2. Takahashi M, Yamashita Y, Sakamoto Y, Kojima R. Chronic cervical cord compression: clinical significance of increased signal intensity on MR images. Radiology. 1989;173:219–224
  3. Mehalic TF, Pezzuti RT, Applebaum BI. Magnetic resonance imaging and cervical spondylotic myelopathy. Neurosurgery. 1990;26:217–227
  4. Matsuda Y, Miyazaki K, Tada K, et al. Increased MR signal intensity due to cervical myelopathy: analysis of 29 surgical cases. J Neurosurg. 1991;74:887–892
  5. Al-Mefty O, Harkey LH, Middleton TH, et al. Myelopathic cervical spondylotic lesions demonstrated by magnetic resonance imaging. J Neurosurg. 1988;68:217–222
  6. Okada Y, Ikata T, Yamada H, et al. Magnetic resonance imaging study on the results of surgery for cervical compression myelopathy. Spine. 1993;14:2024–2029
  7. Wada E, Yonenobu K, Suzuki S, et al. Can intramedullary signal change on magnetic resonance imaging predict surgical outcome in cervical spondylotic myelopathy?. Spine. 1999;24:455–462
  8. Yone K, Sakou T, Yanase M, Ijiri K. Preoperative and postoperative magnetic resonance image evaluations of the spinal cord in cervical myelopathy. Spine. 1992;17:S388–S392
  9. Morio Y, Yamamoto K, Kuranobu K, et al. Does increased signal intensity of the spinal cord on MR images due to cervical myelopathy predict prognosis?. Arch Orthop Trauma Surg. 1994;113:254–259
  10. Naderi S, Ozgen S, Pamir MN, et al. Cervical spondylotic myelopathy: surgical results and factors affecting prognosis. Neurosurgery. 1998;43:43–50
  11. Nakamura M, Fujimura Y. Magnetic resonance imaging of the spinal cord in cervical ossification of the posterior longitudinal ligament: can it predict surgical outcome?. Spine. 1998;23:38–40
  12. Wada E, Ohmura M, Yonenobu K. Intramedullary changes of the spinal cord in cervical spondylotic myelopathy. Spine. 1995;20:2226–2232
  13. Morio Y, Teshima R, Nagashima H, et al. Correlation between operative outcomes of cervical compression myelopathy and MRI of the spinal cord. Spine. 2001;26:1238–1245
  14. Nurick S. The pathogenesis of the spinal cord disorder associated with cervical spondylosis. Brain. 1972;95:87–100
  15. Hirabayashi K, Miyakawa J, Satomi K, et al. Operative results and postoperative progression of ossification among patients with ossification of cervical posterior longitudinal ligament. Spine. 1981;6:354–364
  16. Fujiwara K, Yonenobu K, Ebara S, et al. The prognosis of surgery for cervical compression myelopathy. An analysis of the factors involved. J Bone Joint Surg Br. 1989;71:393–398
  17. Koyanagi T, Hirabayashi K, Satomi K, et al. Predictability of operation results of cervical compression myelopathy based on preoperative computed tomographic myelography. Spine. 1993;18:1958–1963
  18. Ohshio I, Hatayama A, Kaneda K, et al. Correlation between histopathologic features and magnetic resonance images of spinal cord lesions. Spine. 1993;18:1140–1149
  19. Okais N, Moussa R, Hage P. Value of increased MRI signal intensity in cervical arthrosis in myelopathies. Neurochirurgie. 1997;43:285–291
  20. Suri A, Chabbra RP, Mehta VS, et al. Effect of intramedullary signal changes on the surgical outcome of patients with cervical spondylotic myelopathy. Spine J. 2003;3:33–45
  21. Uchida K, Nakajima H, Sato R, et al. Multivariate analysis of the neurological outcome of surgery for cervical compressive myelopathy. J Orthop Sci. 2005;10:564–573
  22. Chen CJ, Lyu RK, Lee ST, et al. Intramedullary high signal intensity on T2-weighted MR images in cervical spondylotic myelopathy: prediction of prognosis with type of intensity. Radiology. 2001;221:789–794
  23. Yukawa Y, Kato F, Yoshihara H, et al. MR T2 image classification in cervical compression myelopathy: predictor of surgical outcomes. Spine. 2007;32:1675–1679
  24. Yukawa Y, Kato F, Ito K, et al. Postoperative changes in spinal cord signal intensity in patients with cervical compression myelopathy: comparison between preoperative and postoperative magnetic resonance images. J Neurosurg Spine. 2008;8:524–528
  25. Matsumoto M, Toyama Y, Ishikawa M, et al. Increased signal intensity of the spinal cord on magnetic resonance images in cervical compressive myelopathy. Does it predict the outcome of conservative treatment?. Spine. 2000;25:677–682
  26. Fernández de Rota JJ, Meschian S, Fernández de Rota A, et al. Cervical spondylotic myelopathy due to chronic compression: the role of signal intensity changes in magnetic resonance images. J Neurosurg Spine. 2007;6:17–22
  27. Alafifi T, Kern R, Fehlings M. Clinical and MRI predictors of outcome after surgical intervention for cervical spondylotic myelopathy. J Neuroimaging. 2007;17:315–322
  28. Uchida K, Nakajima H, Yayama T, et al. High-resolution magnetic resonance imaging and 18FDG-PET findings of the cervical spinal cord before and after decompressive surgery in patients with compressive myelopathy. Spine. 2009;34:1185–1191

 FDA device/drug status: not applicable.

 Author disclosures: none.

PII: S1529-9430(10)00216-0

doi: 10.1016/j.spinee.2010.03.024

The Spine Journal
Volume 10, Issue 6 , Pages 475-485 , June 2010