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| WAN Zhiping,LIAO Zhenhua,ZHU Jia.Sagittal morphological study of Chinese cervical vertebral endplate[J].Chinese Journal of Spine and Spinal Cord,2018,(11):1020-1025. |
| Sagittal morphological study of Chinese cervical vertebral endplate |
| Received:May 27, 2017 Revised:July 12, 2017 |
| English Keywords:Magnetic resonance imaging Endplates of cervical disc Endplate concavity depth Endplate concavity apex The sagittal shapes of the endplate |
| Fund:深圳市重大基础项目（JCYJ20151030160526024）；深圳市技术服务平台（SMJKPT20140417010001） |
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| English Abstract: |
| 【Abstract】 Objectives: To measure the endplate concavity depth(ECD), endplate concavity apex(ECA) and the sagittal shapes of the endplate, then analyze the changes of the three parameters with age, gender and segment. In addition, to design the interbody fusion cage, artificial cervical discs and artificial nucleus pulposus prosthesis for Chinese patients. Methods: 404 cases of Chinese cervical MRI images were selected from the Shenzhen Second People′s Hospital, including 191 males and 213 females, age range 15-72 years old, average 38.4±8.8. The ECD and ECA were measured using MRI, and the sagittal shapes of the endplate were analyzed. The subjects were divided into 5 groups according to age, including 15-27 year-old group, 28-37 year-old group, 38-47 year－old group, 48-57 year-old group and 58-72 year-old group; According to gender, the subjects were divided into 2 groups(male group and female group). According to segment, subjects was divided into 4 groups, including C3/4, C4/5, C5/6, C6/7. The changes of ECD, ECA and the sagittal shapes of the endplate were analyzed with age, gender and segment. Results: The sagittal shapes of the endplate were no statistically significantly different among 5 age groups(P>0.05); the average ECD was 1.70±0.42mm, were no statistically significant difference among 5 groups(P>0.05); no statistically significant difference of ECA were found among 5 groups(P>0.05); between male and female, neither the sagittal shapes of the endplate nor the ECA were statistically significant different(P>0.05), but the ECD were statistically significant different between male and female(P<0.05), male: 1.79±0.44mm, female: 1.62±0.38mm. The sagittal shapes of the endplate were statistically significant between the superior and inferior endplate, most of the superior endplate is concave, whilemost of the inferior endplate is flat. The ECD was statistically significant different among segment(P<0.05); but the difference of ECA was no statistically significant(P>0.05). Conclusions: A age related difference could not be found among the sagittal shapes of the endplate, the ECD and the ECA. A sex related difference could not be found among the sagittal shapes of the endplate and the ECA， but could be found among the ECD, male is always lager than female. A segment related difference could not be found among the ECA, but could be found among the ECD. |
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