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Chinese Young Men Waist-dimensional CT 4,5 Vertebral Pedicle Morphology and Clinical Significance of the Difference

Author: GaoXiaoLiang
Tutor: JinGeLe;HuangWeiMin;HuYongSheng
School: Xinjiang Medical University
Course: Orthopedics
Keywords: Han Uighur pedicle CT form
CLC: R687.3
Type: Master's thesis
Year: 2011
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Abstract


Objective: Analysis and evaluation between the Han and Uygur CT lumbar pedicle 4, 5 and clinical significance of morphological differences. Methods: Choose our department in May 2010 November 2011 admitted 400 cases of lumbar disc herniation need 4, 5 posterior lumbar pedicle screw surgery patients, patients of the Han and Uygur 200 people, all male, age 20-30 years, height 170cm-175cm. The use of spiral CT scanning method The patients with preoperative imaging to observe the selection of indicators as follows:Conventional three-dimensional helical scan+Processing, using the patient browser tool to measure the length and angle measurement observed indicators(pedicle diameter, pedicle cortex to the posterior margin of the anterior vertebral cortex and the distance within the pedicle angle in the cross-sectional and head in the sagittal plane / End angle). Using SPSS software for statistical analysis, Han and Uygur shape of the vertebral pedicle CT whether there are differences between the observed indicators, using two sample t-test method. Results:L4 vertebral body pedicle diameter, there is significant difference in angle(P<0.05). Han left L4 pedicle, the average diameter of the right diameter and smaller diameter than the Uighur; Han L4 pedicle of the left and right within the inner angle and declination angle averages than those in Uygur large. L5 vertebral body pedicle CT measure indicators, the diameter of the left, the left inner angle, internal angle difference between the mean values are significant(P<0.05). Han Chinese patients with left L5 pedicle diameter than the diameter of the left side of the Uighur small;Han Chinese patients within the left L5 pedicle angle and angle averages than those within a small angle within the Uighur. Conclusion:Uighur young male patients with L4 vertebral body pedicle screws, you can select young male patients than the Han large diameter screws, and pedicle screw the horizontal entrance angle than young men with little Han, or may increase vertebral pedicle screw into the spinal nerve injury risk;L5 vertebral body screw diameter can be selected on the left than the Han Chinese young male patients large diameter, while the left side of the pedicle screw into the nail in its horizontal angle than the Han Chinese young male patients should be large, otherwise it may increase the pedicle screw wear the risk of a vertebral body.

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CLC: > Medicine, health > Surgery > Orthopaedic Surgery ( movement system diseases,orthopedic surgery ) > Orthopedic surgery and surgery > Bone surgery
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