T1 slope and cervical sagittal alignment on cervical CT radiographs of asymptomatic persons

Ji Hoon Park, Chul Bum Cho, Jun Ho Song, Seok Woo Kim, Yoon Ha, Jae Keun Oh

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Objective: We performed a retrospective analysis of medical records and radiographic images of patients who never underwent spinal treatment including diagnosis. The objective of this study is to explain the biomechanical and physiologic characteristics of cervical alignment related to thoracic inlet angle including T1 slope changes in each individual. Methods: We reviewed the cervical CT radiographs of 80 patients who visited ENT outpatient clinic without any symptom, diagnosis and treatment of cervical spine from January 2011 to September 2012. All targeted people were randomized without any prejudice. We assessed the data-T1 slope, Cobb's angle C2-7, neck tilt, sagittal vertical axis (SVA) C2-7 and thoracic inlet angle by the CT radiographs. Results: The relationships between each value were analyzed and we concluded that Cobb's angle C2-7 gets higher as the T1 slope gets higher, while the SVA C2-7 value decreases. Conclusion: We propose that the T1 slope is background information in deciding how much angle can be made in the cervical spinal angle of surgical lordotic curvature, especially severe cervical deformity.

Original languageEnglish
Pages (from-to)356-359
Number of pages4
JournalJournal of Korean Neurosurgical Society
Volume53
Issue number6
DOIs
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • Surgery
  • Neuroscience(all)
  • Clinical Neurology

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