The vertebral column is a part of the axial skeleton of man which has to perform particular tasks. The objective of the study was to quantitatively measure the spinal cord, regionally and segmentally so as to gather basic morphometric data in healthy population. Material and Methods: A total of 60 healthy participants aged between 20-60 years were included in this cross-sectional study. All of them underwent MRI scan of their healthy spine after a thorough clinical examination at HSK hospital from December 2016 to May 2018. Results: The mean age of the participants was 28 years with equal number of males and females. In the cervical segment, the AP diameter was greatest at C1 (7.74 mm in males, 6.63 mm in females) and lowest at C7. The Transverse diameter decreased from C1 to C2 level, and then increased from C2 to C5, with C5 (12.84 mm in males and 11.55 mm in females) being the maximum enlarged segment and then decreased towards C7. The AP spinal canal diameter decreased from C1 to C5 and then gradually increased from C5 to C7. In the upper thoracic cord, the AP diameter and transverse diameter was maximum at D1 and decreased gradually from D1 to D6. In the lower thoracic cord, the AP diameter and transverse diameter was maximum at D12. Conclusion: While assessing the spinal cord size, a single number measurement may not be enough rather each level should be compared with a set of normal values specific for that level.
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