Revision surgery after instrumental fixation in patient with butterfly vertebra: a case report
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Butterfly vertebra consists of two hemivertebrae with a sagittal cleft between them, resulting in the special appearance of butterfly wings on anteroposterior spine radiograph. This rare congenital anomaly is not only been reported in clinical cases, but also in dry bone specimens from archaeological excavations. To date, most clinical case reports on butterfly vertebra have mainly focused on the imaging findings, and few studies discuss on its treatment strategy. Notably, a minority of patients may experience slowly progressive spinal deformity after the initial surgery due to the great growth potential of butterfly vertebra and implant failure. Many of these patients suffer from further deterioration of symptoms with time, thus require repeat surgical intervention. Our objective was to determine the causes of failure of primary surgery and to explore new treatment strategy. Herein, we report an unusual case of butterfly lumbar vertebra underwent revision surgery and...
KeywordsButterfly vertebra Revision surgery Osteotomy
This study was supported by the National Natural Science Foundation of China (no. 81673992) and the Guangdong Provincial Science and Technology Department Program Foundation of China (no. 2016A020226008).
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from the patient involved in this study.