Dorsal C1–2 Spinal Cord Compression After Reduction of Atlantoaxial Posterior Dislocation Associated With Os Odontoideum: A Case Report and Literature Review [PDF]
Orthopaedic SurgeryBackground Atlantoaxial posterior dislocation associated with os odontoideum is uncommon, and experience with its surgical management remains limited. Posterior reduction and C1–2 fixation can usually restore atlantoaxial alignment and stability. However,
Jianzhi Wang +6 more
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Occipitalized os odontoideum: A case report
Journal of Craniovertebral Junction and Spine, 2014 We report on a 36-year-old man presenting with a sudden onset of motor weakness and numbness in the upper extremities following a fall from a truck bed.
Junich Ohya +3 more
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Augmented Reality in Spine Surgery: A Case Study of Atlantoaxial Instrumentation in Os Odontoideum [PDF]
MedicinaDespite advancement in surgical innovation, C1-C2 fixation remains challenging due to risks of screw malposition and vertebral artery (VA) injuries. Traditional image-based navigation, while useful, often demands that surgeons frequently shift their ...
Chi-Ruei Li +3 more
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Retroodontoid Pseudotumor Related to Development of Myelopathy Secondary to Atlantoaxial Instability on Os Odontoideum [PDF]
Case Reports in Radiology, 2018 Retroodontoid pseudotumor (ROP) is a nonneoplasic lesion of unknown etiology, commonly associated with inflammatory conditions, and the term of pannus is usually used.
M. Hamard, S. P. Martin, S. Boudabbous
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Transtubular Transoral Surgery for Excision of a Dystrophic Os Odontoideum: A Case Report [PDF]
Malaysian Orthopaedic Journal, 2016 Transoral approach to the cervico-medullary junction is a well-established procedure. However oropharyngeal complications in the form of soft tissue morbidity postoperatively do occur.
MH Ariffin, MM Ashfaq, E Kang
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Indian Journal of Neurosurgery, 2021 Os odontoideum is an independent ossicle of variable size and shape separated from the body of C2. There are various theories on the etiology. Different hypothesis on etiology include traumatic and congenital.
Vamsi Krishna Yerramneni, Neeraj Sharma
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Os Odontoideum: Rare Cervical Lesion [PDF]
Western Journal of Emergency Medicine, 2011 We report the case of a 22-year-old Marine who presented to the emergency department, after a martial arts exercise, with transient weakness and numbness in all extremities. Computed tomography cervical spine radiographs revealed os odontoideum.
Kristie A Robson
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Os Odontoideum: Case report and literature review
Romanian NeurosurgeryOs odontoideum is an uncommon skeletal abnormality defined by the separation of the odontoid process from the body of the axis vertebrae. This condition can be congenital or acquired, and symptoms may include neck pain, myelopathy, or abrupt neurological
Hachid, A +5 more
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Influence of Atlantoaxial Fusion on Sagittal Alignment of the Occipitocervical and Subaxial spines in Os Odontoideum with Atlantoaxial Instability [PDF]
Asian Spine Journal, 2019 Study Design Retrospective case analysis. Purpose We hypothesized that larger the C1–C2 fusion angle, greater the severity of the sagittal malalignment of C0–C1 and C2–C7. Overview of Literature In our experience, instances of sagittal malalignment occur
Byung-Wan Choi +4 more
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Case Reports in Orthopedics, 2015 The authors report the first example of an adult achondroplastic dwarf with progressive quadriparesis secondary to atlantoaxial subluxation as a consequence of an os odontoideum.
Abolfazl Rahimizadeh +3 more
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