Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Comparison of Morphological Characteristics of the Subaxial Cervical Spine between Athetoid Cerebral Palsy and Normal Control

  • Kim, Jun Young (Department of Neurosurgery, Wiltse Memorial Hospital) ;
  • Kwon, Jae Yeol (Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Kim, Moon Seok (Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Lee, Jeong Jae (Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Kim, Il Sup (Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Hong, Jae Taek (Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea)
  • Received : 2017.03.31
  • Accepted : 2017.08.13
  • Published : 2018.03.01
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Abstract

Objective : To compare the morphometry of subaxial cervical spine between cerebral palsy (CP) and normal control. Methods : We retrospectively analyzed 72 patients with CP, as well as 72 patients from normal population. The two groups were matched for age, sex, and body mass index. Pedicle, lateral mass (LM), and vertebral foramen were evaluated using computed tomography (CT) imaging. Pedicle diameter, LM height, thickness, width and vertebral foramen asymmetry (VFA) were measured and compared between the two groups. Cervical dynamic motion, disc and facet joint degeneration were investigated. Additionally, we compared the morphology of LM between convex side and concave side with cervical scoliotic CP patients. Results : LM height was smaller in CP group. LM thickness and width were larger in CP group at mid-cervical level. In 40 CP patients with cervical scoliosis, there were no height and width differences between convex and concave side. Pedicle outer diameter was not statistically different between two groups. Pedicle inner diameter was significantly smaller in CP group. Pedicle sclerosis was more frequent in CP patients. VFA was larger in CP group at C3, C4, and C5. Disc/facet degeneration grade was higher in the CP group. Cervical motion of CP group was smaller than those of the control group. Conclusion : LM morphology of CP patients was different from normal population. Sclerotic pedicles and vertebral foramen asymmetry were more commonly identified in CP patients. CP patients were more likely to demonstrate progressive disc/facet degeneration. This data may provide useful information on cervical posterior instrumentation in CP patients.

Keywords

References

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