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Purpose We have introduced a novel surgery technique named anterior controllable antedisplacement and fusion (ACAF) for the treatment of ossification of the posterior longitudinal ligament. As reported, the satisfactory postoperative outcome can be attributed to the larger decompression width. However, it may associate with high prevalence of vertebral artery injury (VAI) theoretically. Thus, assessment...
Purpose To evaluate the effect of spectral CT for metal artifact reduction in patients with pedicle screw. Methods 45 patients with 119 pairs of pedicle screws underwent spectral CT examination. One set of conventional (140 kVp) polychromatic image and nine sets of virtual monochromatic images (60–140 keV) were obtained. The standard deviation (SD) of CT number in 12 locations around the implant...
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