When to select two-level modified pedicle subtraction osteotomy in severe kyphosis secondary to ankylosing spondylitis?

Abstract Background Two-level osteotomy has emerged as an effective technique for addressing severe kyphosis secondary to ankylosing spondylitis (AS). Despite its efficacy, there remains a lack of consensus regarding the criteria for determining the necessity of two-level osteotomy. This study aimed...

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Bibliographic Details
Main Authors: Jianzhou Luo, Tailin Wu, Zili Yang, Yanzhe Wei, Chunguang Duan, Huiren Tao
Format: Article
Language:English
Published: BMC 2025-08-01
Series:BMC Musculoskeletal Disorders
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Online Access:https://doi.org/10.1186/s12891-025-09075-z
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