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Year : 2003  |  Volume : 37  |  Issue : 3  |  Page : 13

Dimensions of the lumbar vertebral canal

Departments of Anatomy and Orthopaedics, St. John's Medical College, Bangalore, India

Correspondence Address:
Rema Devi
Departments of Anatomy and Orthopaedics, St. John's Medical College, Bangalore
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Source of Support: None, Conflict of Interest: None

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In the present study, done on 25 cadavers, the transverse and sagittal diameter of the lumbar vertebral canal were measured and correlated with the X-ray measurements done on the same sets of lumbar vertebrae. The study revealed that there was a gradual increase in the transverse diameter and a gradual decrease in the sagittal diameter from L 1 to L 5 vertebral levels. The canal body ratio was constant at all vertebral level, thereby proving that the changing dimensions of the vertebral canal was proportionate to that of the vertebral body. There is significant difference in the values in various races, which necessitates the need to compile tables applicable to each group.

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