![]() Os odontoideum may be discovered as part of a workup for neck pain and/or neurological symptoms, but it is also often found incidentally. It appears as a smooth-margined, apical osseous segment separated from the base of the odontoid process by an obvious gap. O s odontoideum is an anatomical abnormality in which the tip of the odontoid process lacks continuity with the body of C-2. When atlantoaxial instrumentation is used, fusion rates for os odontoideum should approach 100%. This recommendation is bolstered by the fact that surgical fusion of the C1–2 region has evolved greatly and can now be done with considerable safety and success. These subgroups include those who are young, have anatomy favorable for surgical intervention, and show evidence of instability on flexion-extension cervical spine x-rays. The authors' clinical experience leads them to believe that certain subgroups of asymptomatic patients should be strongly considered for surgery. Although there is little debate that patients with os odontoideum and clinical or radiographic evidence of neurological injury or spinal cord compression should undergo surgery, the dispute continues regarding the care of asymptomatic patients whose os odontoideum is discovered incidentally. The consequences of this instability are exemplified by numerous cases in the literature in which a patient with os odontoideum has suffered a spinal cord injury after minor trauma. By definition, the presence of an os odontoideum renders the C1–2 region unstable, even under physiological loads in some patients. The spectrum of presentation is striking and ranges from patients who are asymptomatic or have only neck pain to those with acute quadriplegia, chronic myelopathy, or even sudden death. The genesis of os odontoideum is thought to be prior bone injury to the odontoid, but a developmental cause probably also exists. Always whining about rebuilding the Cyberninja dojo."- Derrick J.Os odontoideum was first described in the late 1880s and still remains a mystery in many respects. Wyatt says Dai Atlas is mopey, always "whining" about rebuilding the Cyber-Ninja dojo. Atlas's bust is just to the right of Yoketron's. It is seen from a distance in one shot, then panned away from quickly in a closer shot, and both have a slight blur filter thanks to the flashback. The AllSpark Almanac IIĭai Atlas appeared in person to wave a flag in celebration of Optimus Prime and his crew, when they returned to Cybertron with the captured Megatron and several other Decepticons. He was also training a young ninja called Drift. Five Servos of Doomįollowing the end of the war, Dai Atlas retired from military service to focus on rebuilding the destroyed Cyber-Ninja Dojo. The AllSpark Almanac IIĪ holographic bust of Dai Atlas sat in Yoketron's chambers, alongside those of other star pupils. Proving to be a more than able Autobot warrior, Dai Atlas racked up promotion after promotion, eventually becoming Elite Guard general and commander of all Autobot ground forces. ![]() At some point, he began training at Yoketron's Cyber-Ninja dojo, and when the war broke out he wasted no time in signing up. Before the Great War, Dai Atlas was a socialite with no particular interest in anything, and was really only notable for being a fencing rival of Star Saber.
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