Journal of Surgical Radiology
2024, Volume 3, Issue 1 : 5-8
Research Article
Morphometric assessment of adult human lumbar vertebrae
1
Associate Professor Department of Anatomy Shadan Institute of Medical Sciences Teaching Hospital & Research Centre
Received
Jan. 5, 2024
Revised
Jan. 15, 2024
Accepted
Feb. 6, 2024
Published
Feb. 24, 2024
Abstract

Background The vertebrae undergo continuous remodeling throughout life, primarily in response to the changing needs of the body. 1 Evolution of human erect posture and bipedal gait coupled with lifestyle changes is often reflected as stress on the vertebral column. 2 The lumbar region of vertebral column being the most common site of expression of this stress in the form of low backache. 2 The five lumbar vertebrae are distinguished by their large size, wider body in transverse plane, strong and short paired pedicles, shallow superior vertebral notches, spinal canal etc. The dimensions of these vertebral segments provide key relevance in clinical diagnosis of lower backache as well as other pathological lumbar diseases Lumbar morphometry is intended at its stabilization and correction of deformities. 3 Accurate anatomical description of the shape and orientation of lumbar vertebrae are necessary for the development and use of implantable devices and spinal instrumentation in spinal disorders including fractures. 4 It is also imperative to assess the differences in morphometry of vertebrae Material And Method The anteroposterior body diameter (APD) was measured as the anteroposterior distance of each vertebral body, while the interpedicular distance (IPD) was measured as the minimal distance between the medial surfaces of the pedicles on either side. The midsagittal diameter (MSD) was measured as the maximum anteroposterior distance of the spinal canal of each vertebra while the pedicle length (PL) were measured starting from the origin of the pedicle from the body to the superior articular facet on either sideusing the average. Results The vertebral body anteroposterior dimension was more at its lower border than at the upper (p<0.01). The length of lamina was higher over the right side (p < 0.001). The height of lamina, width of inferior articular facet, diameter of lateral recess and thickness of pars inter-articularis were greater for the left side (p<0.01). The remaining parameters, which were compared on the right and left sides did not reveal the difference with respect to the statistical significance (p>0.05). Conclusion This anatomical study offered several dimensions of lumbar vertebrae, which are essential in the surgical practice. The implants at the lumbar vertebrae need to be manufactured based on the anatomical dimensions of that particular sample population.

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Volume 3, Issue 1
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