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A 63-year-old female patient with lumbar degenerative kyphosis. (A) The patient shows kyphotic curvature (LL=−30°) in preoperative whole-spine standing lateral radiograph. (B) However, at the preoperative supine view (magnetic resonance imaging), the curvature changes to lordosis (LL=20°). It shows the positional restoration of lordosis. LL, lumbar lordosis.
