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Korean J Spine Search


Height and Depth of the Cervical Disc Space in Normal Korean Adults
Sang-Ho Lee, M.D., Yi-Sheng Tsang, M.D., Seung-Eun Chung, M.D.1,Song-Woo Shin, Ph.D. and Ho-Yeong Kang, M.D.1
Department of Neurosurgery and Diagnostic Radiology1, Wooridul Spine Hospital, Seoul, Korea
한국 성인의 경추부 추간판 높이와 깊이에 대한 연구
우리들병원 신경외과, 진단방사선과1
Currently, normal data of cervical disc height and depth of Korean adults are not available. The objective of this study is to compile a Korean normative database of the disc height and depth of the cervical spine, valid for healthy Korean adults.
All the volunteers were attached a coin on the anterior midline of the neck. From the lateral X-ray films of the cervical spine, anterior and middle disc height and anteroposterior disc depth from C2-3 to C6-7 were measured. The magnification of radiographic films as compared with real measurement of the coin was taken into consideration. Analysis of data was done by use of independent sample t-test, Pearson's correlation, and one-way analysis of variance(ANOVA).
A normal database for the dimensions of cervical discs was compiled from 42 lateral views of healthy Korean adults. There were 20 males(mean age, 29.6 years; mean height, 174.3 cm) and 22 females(mean age, 27.4 years; mean height, 161.2 cm). The means of anterior height, middle height and anteroposterior depth of cervical disc space were 4.09mm, 5.82mm, and 16.86mm for men and 3.40 mm, 5.30 mm, and 14.86 mm for women, respectively. The height of C4-5 disc space was highest at the middle disc space from C2-3 to C6-7.
This study will contribute to the clinical diagnosis, treatment and development of instruments of cervical disc diseases for Korean patients with cervical disc diseases.
Keywords: Cervical spine, Disc height, Anteroposterior depth, Korean adults

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