Presentation
Undergoing CT colon for change in bowel habit.
Patient Data
Age: 70 years
Gender: Female
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These selected images covering the lumbosacral spine show that L4 has a butterfly vertebral body shape with thin bony bridges anteriorly and posteriorly, and a gap centrally.
The right transverse process of L5 is expanded and forms a pseudoarticulation with S1.
Case Discussion
This study shows two incidental findings of the lumbosacral spine; a butterfly vertebral body and a type IIa lumbosacral transitional vertebral body (Castellvi classification).
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