%0 Journal Article %T Sacral butterfly vertebrae in the setting of a sacral fracture and unstable pelvic ring injury: A case report and review of the literature %A Dirk Kiner %A Yoshihiro Katsuura %J Archive of "Trauma Case Reports". %D 2019 %R 10.1016/j.tcr.2018.11.011 %X Butterfly vertebrae are rare developmental anomalies representing failure of formation of the vertebral body. There have only been 8 previous reports of a butterfly vertebra occurring at S1. This is the first described case of a butterfly vertebra presenting with a sacral fracture and pelvic ring injury %K Spine trauma %K Sacral fracture %K Pelvic ring injury %K Spine malformation %K Butterfly vertebrae %K Sagittal cleft vertebrae %K Anterior rachischisis %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6289954/