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Case 4. 44-year-old patient suffered unilateral facet dislocation C6–7 (a, arrow head) and underwent ACDFP C6–7 (b). Three months follow-up (c) showed screw-loosening with significant loss of lordosis at fusion level. At 1.5 years follow-up patient showed moderate clinical outcome w/construct failure, increasing kyphosis and pseudoarthrosis at the fusion level (d)
