Comparison of Morphometric Measurements of Traditional Posterior Cervical Screw and Paravertebral Foramen Screw in Chinese Population

Chen, Xi; Kalisi, Kupu Uluakimata Mei Muli; Su, Yuan; Tian, Yonghao; Liu, Xinyu

doi:10.1097/brs.0000000000003807

Spine

2020

DOI: 10.1097/brs.0000000000003807

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Comparison of Morphometric Measurements of Traditional Posterior Cervical Screw and Paravertebral Foramen Screw in Chinese Population

Xi Chen

Kupu Uluakimata Mei Muli Kalisi

Yuan Su

et al.

Abstract: Study Design. A morphometric measurement study. Objective. To measure the length and angle parameters of the screw paths of pedicle screws (PS), lateral mass screws (LMS), and paravertebral foramen screws (PVFS) of subaxial cervical spine in Chinese population. Summary of Background Data. Aramomi proposed a novel internal fixation technology, named PVFS, as an alternative to LMS and PS for subaxial cervical vertebrae (C3-C7). Methods. This study measured the length and medial angles of screw paths on the three… Show more

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Cited by 4 publications

References 33 publications

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CT imaging analysis of the C7 pedicle and lateral mass in children aged 0–14 years

Liu,

Chen,

Huang

et al. 2025

Annals of Anatomy - Anatomischer Anzeiger

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CT imaging analysis of the C7 pedicle and lateral mass in children aged 0–14 years

Liu,

Chen,

Huang

et al. 2025

Annals of Anatomy - Anatomischer Anzeiger

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CT Anatomical Analysis of C4 Pedicle and Lateral Mass in Children Aged 0–14 in Southern China

Chen,

Huang,

Huang

et al. 2024

Orthopaedic Surgery

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ObjectiveThe C4 is the transition point between the upper and lower cervical vertebrae and plays a pivotal role in the middle of the cervical spine. Currently, there are limited reports on large‐scale sample studies regarding C4 anatomy in children, and a scarcity of experience exists in pediatric cervical spine surgery. The current study addresses the dearth of anatomical measurements of the C4 vertebral arch and lateral mass in a substantial sample of children. This study aims to measure the imaging anatomy of the C4 vertebral arch and lateral mass in children under 14 years of age across various age groups, investigate the growth and development of these structures.MethodsWe measured 12 indicators, including the size (D1, D2, D3, D4, D5, D6, D7, and D8) and angle (A, C, D, and E) of the C4 vertebral arch and lateral mass, in 513 children who underwent cervical CT examinations at our hospital. We employed the aggregate function for statistical analysis, conducted t‐tests for difference statistics, and utilized the least squares method for regression analysis.ResultsOverall, as age increased, there was a gradual increase in the size of the vertebral arch and lateral mass. Additionally, the medial inclination angle of the vertebral arch decreased, and the lateral mass flattened gradually. The rate of change decreased gradually with age. The mean value of D1 increased from 2.31 mm to 3.88 mm, of D2 from 16.75 mm to 29.2 mm, of D3 from 2.21 mm to 4.92 mm, and of D4 from 7.34 mm to 11.84 mm. Meanwhile, the mean value of D5 increased from 5.2 mm to 9.71 mm, of D6 from 10.19 mm to 16.16 mm, of D7 from 2.53 mm to 5.67 mm, and of D8 from 6.11 mm to 11.45 mm. Angle A ranged from 49.12° to 54.97°, angle C from 15.28° to 19.83°, angle D from 39.91° to 53.7°, and angle E from 18.63° to 28.08°.ConclusionPrior to cervical spine surgery in children, meticulous CT imaging anatomical measurements is essential. The imaging data serves as a reference for posterior C4 internal fixation, aids in designing posterior cervical screws for pediatric patients, and offer morphological anatomical references for posterior cervical spine surgery and screw design in pediatric patients.

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Anatomical study of the C6 pedicle and lateral mass in children aged 0–14 years based on CT imaging

Chen,

Qin,

et al. 2024

J Orthop Surg Res

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Comparison of Morphometric Measurements of Traditional Posterior Cervical Screw and Paravertebral Foramen Screw in Chinese Population

Cited by 4 publications

References 33 publications

CT imaging analysis of the C7 pedicle and lateral mass in children aged 0–14 years

CT imaging analysis of the C7 pedicle and lateral mass in children aged 0–14 years

CT Anatomical Analysis of C4 Pedicle and Lateral Mass in Children Aged 0–14 in Southern China

Anatomical study of the C6 pedicle and lateral mass in children aged 0–14 years based on CT imaging

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