Dorsal shift and expansion of the spinal cord after expansive open-door laminoplasty

Yoshikazu Fujimura, Yukimi Nishi, Masaya Nakamura

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

We investigated dorsal shift and anteroposterior spinal cord diameter after expansive open-door laminoplasty, comparing pre- and postoperative computed tomographic myelographic images to clarify the relationships between surgical outcome and these changes. Dorsal shift occurred at the midcervical spine in cervical spondylotic myelopathy (CSM) but was less extensive in ossification of the posterior longitudinal ligament (OPLL). Spinal cord anteroposterior diameter expanded for OPLL but did not for CSM. Correlation of outcome and dorsal shift was not significant for OPLL or CSM. Correlation of outcome and expansion was significant for OPLL, but not for CSM.

Original languageEnglish
Pages (from-to)282-287
Number of pages6
JournalJournal of Spinal Disorders
Volume10
Issue number4
DOIs
Publication statusPublished - 1997

Keywords

  • CT myelography
  • Cervical spine
  • Cervical spondylotic myelopathy
  • Dorsal shift of spinal cord
  • Expansion of spinal cord
  • Expansive opendoor laminoplasty
  • Ossification of the posterior longitudinal ligament

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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