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Fig. 9 | BMC Surgery

Fig. 9

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

Fig. 9

A 43-year-old man with fracture of C2 combined with atlantoaxial dislocation. a Preoperative X-ray showed C0-C2 bone graft and fusion was performed due to fracture malunion and dislocation of C1-C2 19 years ago. b, c Preoperative X-ray and CT scan showed malunion of C2 fracture. d Preoperative MRI showed atlantoaxial dislocation and spinal cord compression. e Intraoperative X-ray showed anterior release and osteotomy of odontoid. f Intraoperative X-ray showed the position of C1 PS combined with modified C2 isthmus screw land g Reduction. h Postoperative anterior–posterior X-ray, and i–k postoperative CT scan imagines showed good reduction and position of modified C2 isthmus screw. l Postoperative MRI showed the decompression of spinal cord. PS pedicle screw

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BMC Surgery

ISSN: 1471-2482

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