Prevalence of Lumbosacral Transitional Vertebrae in Asymptomatic Young Men

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Abstract
Purpose: The aim of this study is to determine the prevalence of lumbosacral transitional vertebra (LSTV)in asymptomatic men who presented to our hospital for a medical report, using posteroanterior chest radiographs and plain radiographs of the urinary system, and to compare the results with the current literature.Materials and methods: Between January 2022 and March 2024, the posteroanterior chest (CXR)and plain radiographs of the urinary system (KUB)of 1593 men who presented for a medical report were retrospectively examined. All costae were assessed on the chest radiographs, and all lumbar vertebrae, the 12th rib, and the lumbosacral junction were evaluated on the urinary system radiographs. A total of 1490 cases were included in the study. The identified lumbosacral transitional vertebrae were classified according to Castellvi's classification, and their prevalence was determined.Results: The age range of the 1490 cases included in the study was 18-45 years, with an average age of 27.7 ± 5 years.The prevalence of lumbosacral transitional vertebra was found to be 23.1%, with the prevalence of lumbarization at 4.8% and sacralization at 18.3%.In 344 cases (23.1%), lumbosacral transitional vertebra was observed, of which sacralization was detected in 272 cases (18.3%) and lumbarization in 72 cases (4.8%). Conclusion: Our study observed that lumbosacral transitional vertebra is a relatively common variant.

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