Presentation
Long standing lower back pain.
Patient Data
Age: 25 years
Gender: Female
From the case:
Bertolotti syndrome (Castellvi type IIa)
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Lumbosacral transitional vertebra with lumbarization of S1, characterized by a broadened right transverse process and pseudoarticulation with the sacral ala.
Case Discussion
Lumbosacral transitional vertebrae are relatively common, occurring in around 25% of the general population. Knowledge of these variants is important to avoid performing procedures or operations at the wrong level.
If there is an association with low back pain, the controversial Bertolotti syndrome may be considered. The Castellvi classification is used for lumbosacral transitional vertebrae, with types II and IV potentially associated with a higher prevalence of back pain.
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