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Fig. 8 | BMC Surgery

Fig. 8

From: Three-dimensional reduction method with a modified C2 isthmus screw in irreducible atlantoaxial dislocation: a technical note

Fig. 8

A 24-year-old man with Os odontoideum. ac Preoperative X-ray and CT scan showed Os odontoideum and atlantoaxial dislocation. d Preoperative MRI showed spinal cord compression. e Intraoperative X-ray showed the position of C1 PS combined with modified C2 isthmus screw and f reduction. g Postoperative anterior–posterior X-ray, and hj Postoperative CT scan showed good reduction and position of modified C2 isthmus screw. PS pedicle screw

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