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  3. 7. Morphometric Analysis of Sub-Axial Cervical Spine Pedicle Based on Computed Tomography Scan in Pakistani Population
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7. Morphometric Analysis of Sub-Axial Cervical Spine Pedicle Based on Computed Tomography Scan in Pakistani Population

Qamber Haider Kazmi1, Kevin Joseph Jerome Borges1, Mohsin Qadeer2, Mehak Hafiz2, Naveed Ahmed3 and Marium Adeel Roghay1

ABSTRACT

Objective: To analyze morphometric parameters of the pedicle of sub-axial cervical vertebrae using a Computerized Tomographic scan of the Pakistani population to help spine surgeons import appropriate size screws and prevent perioperative complications.

Study Design: Cross-Sectional study.

Place and Duration of Study: This study was conducted at the Ziauddin University and National Medical Center, Karachi from October 2021 to April 2022.

Materials and Methods: A total of 100 patients including 50 males and 50 females presenting to the neurosurgical setting were included in the study. The pedicle width, height, length, and axis length were measured on all sub-axial vertebrae on both sides.

Results: All parameters were found to be greater in men compared to women at each spinal level. A slight difference was found in the pedicle parameters measurements on both sides. The pedicle width and axis length were found to be increasing craniocaudally in contrast with pedicle length which was decreasing craniocaudally in both male and female patients. However, the pedicle height remains almost the same at all levels in both genders.

Conclusion: This study provides references for common screw sizes to be used in our population. It also suggests a larger screw size in males. We also recommend the use of the same screw size on both sides of the same individual where required.

Key Words: Cervical spine, morphometric analysis, pedicle screw fixation, surgical anatomy.

Citation of article: Kazmi QH, Borges KJJ, Qadeer M, Hafiz M, Ahmed N, Roghay MA. Morphometric Analysis of Sub-Axial Cervical Spine Pedicle Based on Computed Tomography Scan in Pakistani Population. Med Forum 2022;33(7):26-30.