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Figure 5: A 8 year old boy had an os-odontoideum which developed a pathological cartilaginous fracture leading to displacement of the segment along with AAD and cord compression (a and b). 3-D CT scan (c) clearly shows the displaced fragment (arrow head) and the body of dens (arrow). DCER and fixation between the occiput and C2 laminae led to complete reduction (d and e). Figure f shows the spacer in situ

Figure 5: A 8 year old boy had an os-odontoideum which developed a pathological cartilaginous fracture leading to displacement of the segment along with AAD and cord compression (a and b). 3-D CT scan (c) clearly shows the displaced fragment (arrow head) and the body of dens (arrow). DCER and fixation between the occiput and C2 laminae led to complete reduction (d and e). Figure f shows the spacer in situ