Abstract
Spondyloptosis is the most severe form of spondylolisthesis. When the entire vertebral body of L5 is below the upper part of S1, on a standing lateral X-ray, the patient has spondyloptosis (Fig. 1). The slip angle, as defined by Boxall and Bradford [1], can vary remarkably within the population of patients who have spondyloptosis (Fig. 2).
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Gaines, R.W., Nichols, W.K. (2002). Treatment of Spondyloptosis by L5 Vertebrectomy with Reduction of L4 onto S1 — A 20-year Review. In: Harms, J., Stürz, H. (eds) Severe Spondylolisthesis. Steinkopff, Heidelberg. https://doi.org/10.1007/978-3-642-57525-9_12
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DOI: https://doi.org/10.1007/978-3-642-57525-9_12
Publisher Name: Steinkopff, Heidelberg
Print ISBN: 978-3-642-63285-3
Online ISBN: 978-3-642-57525-9
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