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Figure 2: Images of a 38-year-old male patient. (a) Contrast-enhanced MRI showing extensive dysplastic tissue in the region of cervical spine and craniovertebral junction. Marked bone destruction and atlantoaxial and subaxial cervical spinal instability are seen that has resulted in cervical spinal kyphotic deformity. (b) CT scan with the head in flexion showing the abnormal bone architecture and alignment of the entire cervical spine. Atlantoaxial dislocation can be observed. (c) CT scan with the head in extended position showing reduction in atlantoaxial dislocation. (d) CT scan cut through the facets showing extensive bone destruction. (e) Postoperative CT scan showing the spinal alignment. (f) Postoperative CT scan showing the metal implants in the craniovertebral junction and cervical spine

Figure 2: Images of a 38-year-old male patient. (a) Contrast-enhanced MRI showing extensive dysplastic tissue in the region of cervical spine and craniovertebral junction. Marked bone destruction and atlantoaxial and subaxial cervical spinal instability are seen that has resulted in cervical spinal kyphotic deformity. (b) CT scan with the head in flexion showing the abnormal bone architecture and alignment of the entire cervical spine. Atlantoaxial dislocation can be observed. (c) CT scan with the head in extended position showing reduction in atlantoaxial dislocation. (d) CT scan cut through the facets showing extensive bone destruction. (e) Postoperative CT scan showing the spinal alignment. (f) Postoperative CT scan showing the metal implants in the craniovertebral junction and cervical spine