Journal of Korean Neurosurgical Society

  • 제54권4호
  • /
  • Pages.275-279
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  • 2013
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  • 2005-3711(pISSN)
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  • 1598-7876(eISSN)
대한신경외과학회 (The Korean Neurosurgical Society)
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Analysis of Measurement Accuracy for Craniovertebral Junction Pathology : Most Reliable Method for Cephalometric Analysis

  • Lee, Ho Jin (Department of Neurosurgery, St. Vincent's Hospital, The Catholic University of Korea) ;
  • Hong, Jae Taek (Department of Neurosurgery, St. Vincent's Hospital, The Catholic University of Korea) ;
  • Kim, Il Sup (Department of Neurosurgery, St. Vincent's Hospital, The Catholic University of Korea) ;
  • Kwon, Jae Yeol (Department of Neurosurgery, St. Vincent's Hospital, The Catholic University of Korea) ;
  • Lee, Sang Won (Department of Neurosurgery, St. Vincent's Hospital, The Catholic University of Korea)
  • 투고 : 2013.01.21
  • 심사 : 2013.09.30
  • 발행 : 2013.10.28
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초록

Objective : This study was designed to determine the most reliable cephalometric measurement technique in the normal population and patients with basilar invagination (BI). Methods : Twenty-two lateral radiographs of BI patients and 25 lateral cervical radiographs of the age, sex-matched normal population were selected and measured on two separate occasions by three spine surgeons using six different measurements. Statistical analysis including intraclass correlation coefficient (ICC) was carried out using the SPSS software (V. 12.0). Results : Redlund-Johnell and Modified (M)-Ranawat had a highest ICC score in both the normal and BI groups in the inter-observer study. The M-Ranawat method (0.83) had a highest ICC score in the normal group, and the Redlund-Johenll method (0.80) had a highest ICC score in the BI group in the intra-observer test. The McGregor line had a lowest ICC score and a poor ICC grade in both groups in the intra-observer study. Generally, the measurement method using the odontoid process did not produce consistent results due to inter and intra-observer differences in determining the position of the odontoid tip. Opisthion and caudal point of the occipital midline curve are somewhat ambiguous landmarks, which induce variable ICC scores. Conclusion : On the contrary to other studies, Ranawat method had a lower ICC score in the inter-observer study. C2 end-plate and C1 arch can be the most reliable anatomical landmarks.

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참고문헌

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