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Fig. 3 | Journal of Orthopaedic Surgery and Research

Fig. 3

From: Staged cervical osteotomy:a new strategy for correcting ankylosing spondylitis thoracolumbar kyphotic deformity with fused cervical spine

Fig. 3

Correction angle calculated for thoracolumbar osteotomy. a The proper correction was 110° for this patient, but the patient will look upward after surgery. b If ensuring a normal CBVA, the osteotomy angle should not be larger than 49°. This degree of correction was not able to correct kyphotic deformity, and the sagittal plane was still in an imbalance condition postoperatively

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X