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Year : 2019  |  Volume : 68  |  Issue : 2  |  Page : 110-118

Typical thoracic vertebrae morphometry: A cadaveric study in Nigeria

Department of Anatomy, Alex Ekwueme Federal University Ndufu Alike Ikwo, Ebonyi State, Nigeria

Correspondence Address:
Dr. U K Ezemagu
Department of Anatomy, Alex Ekwueme Federal University Ndufu Alike Ikwo, Ndufu-Alike, Ebonyi State
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JASI.JASI_8_19

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Introduction: Spine morphometry is of global interest because of its great importance in prosthetics, orthopedics, and biomechanics. The present study was carried out to provide a comprehensive morphometric data of typical thoracic vertebrae in Nigeria. Material and Methods: A total of 208 typical thoracic vertebrae which consist of 26 set of macerated adult male vertebrae, were studied by direct measurements of the vertebral body, vertebral foramen, pedicle, lamina, spinous and transverse processes, and superior and inferior articular processes. Digital Vernier Caliper was used to measure internal and external distances. Data collected were statistically analyzed and mean values were presented in a mean ± standard deviation. Results: Anterior vertebral body height (VBH) gradually increased to a maximum value at T9 (18.83 ± 1.54 mm) and minimum at T2 (16.93 ± 1.57 mm). Mean value of posterior VBH was minimum at T2 (17.59 ± 1.43 mm) and maximum at T9 (20.46 ± 3.08 mm). Width of spinous process tip had relatively stable values from T2 to T9 with the maximum at T2 (5.05 ± 1.36 mm). Lamina thickness mean values were relatively stable from T2 to T9 with a maximum value at T9 level (7.30 ± 1.24 mm) and the minimum at T2 (6.60 ± 1.16 mm). Discussion and Conclusion: Superior and inferior articular surfaces and Laminae were reported for the first time which contributes to the novelty of this study. These findings will serve as a guidepost in the understanding and design of well-fitted materials for the typical thoracic vertebrae, which will enhance preclinical and clinical evaluation of vertebral implants, prosthetics, and management of spine pathology.

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