Thoracolumbar pedicle anatomy in Han and Uygur male population in Xinjiang Uygur Autonomous Region: a computed tomography-based morphometric study

doi:10.3969/j.issn.2095-4344.2017.15.019

Abstract

Abstract:

BACKGROUND: Thoracolumbar segments (T₁₁-L₂) prone to damage due to its special anatomical and biomechanical characteristics. Therefore, fully understanding the shape of pedicle of vertebral arch and finding the visible, constant, and the point of insertion of the pedicle axis is very important to the safety of pedicle screw placement.

OBJECTIVE: To measure the surgically relevant parameters of thoracolumbar pedicles between Han and Uygur males using computed tomography (CT) scan to provide some anatomic reference data for pedicle screw fixation.

METHODS: The vertebral bodies and pedicles of adult males were scanned (60 cases of Han people and 60 cases of Uygur people) from T₁₀-L₃ with CT. The parameters were processed by three-dimensional reconstruction. Transverse pedicle width, pedicle axis length, transverse pedicle angle, and sagittal pedicle angle were measured by using length and angle measurement tool of browser in bone-window CT images. The age and stature information were recorded. All the data above were processed by SPSS 13.0 software.

RESULTS AND CONCLUSION: (1) The mean transverse pedicle width of T₁₂ and L₁ in Han was bigger than that in the Uygur. (2) The mean transverse pedicle angle of T₁₂ and L₂ in Han was bigger than that in the Uygur. (3) The mean pedicle axis length and sagittal pedicle angle of T₁₁ and L₁ in Han were bigger than that in the Uygur (P < 0.05). (4) There were some differences among some parameters of the thoracolumbar pedicles between the Han and Uygur people. Data from any study only can be used as a guide for pedicle screw fixation. Preoperative CT evaluation may provide an individualized strategy to reduce the incidence of postoperative complications caused by misplacement.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Thoracolumbar, Pedicle, Anatomy, Han Uigur, CT

CLC Number:

R318

Yang Xiao-kai, Liu Shuai, Li Lei, Huang Wei-min, Zhang Yu-kun, Bi Jin-kun, Zhou Gang. Thoracolumbar pedicle anatomy in Han and Uygur male population in Xinjiang Uygur Autonomous Region: a computed tomography-based morphometric study [J]. Chinese Journal of Tissue Engineering Research, 2017, 21(15): 2400-2405.

Figures/Tables 3

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