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Intraoperative fluoroscopy showing the attempt at using the transoral technique to reduce the dislocation (A). Intraoperative images showing patient positioning with the Mayfield clamp (B), C1 and C2 exposure after muscles dissection (C), removal of the posterior part of the C1 arch on the left side to access the lateral mass (D, arrow), reduction of the dislocation on the left side with a reducer (E), and the final construct with the posteriorly attached iliac crest bone graft (F).
