ABSTRACT

Aim: To study the prevalence of sacralized lumbosacral transitional vertebrain Pakistani population and its association with reduced L5-S1 intervertebral disc space.

Study design: Cross sectional study

Place and duration of study: Department of Radiology, CMH Lahore from 1st April 2020 to 30th September 2020.

Methodology: Three hundred and seventy two patients with sacralizedlumbosacral transitional vertebrawere included in the study. Lateral views of lumbar spines were done of the patients who had lumbosacral transitional vertebraon abdominal radiograph. Sacralized lumbosacral transitional vertebrawas classified according to Castellvi. The L5-S1interverbal disc was evaluated for its height.

Results: There were 276 (74.2%) males and 96 (25.8%) females. Patient ages ranged from 26 to 80 years with a mean value of 45 years. According to Castellvi, there were 198 cases {53.3%} of type I, 84 cases {22.6%} of type II, 60 cases {16.2%} of type III and 30 cases {8.1%} of type IV. Among cases of unilateral sacralizedlumbosacral transitional vertebrat here was a higher involvement of left transverse process.

Conclusion: There is a high prevalence of sacralized lumbosacral transitional vertebrain our population with significant association between reduced L5-S1 intervertebral disc height and Castellvi type III.

Keywords: Sacralized lumbosacral transitional vertebra, Castellvi, Intervertebral