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Os odontoideum

Separation of the odontoid process from the body of the axis. [HPO:probinson, pmid:22224150]
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2009
2009
Os odontoideum as a consequence of a posttraumatic displaced ossiculum terminale. A case report.
The os odontoideum is a separate bone with smooth, rounded cortical margins, usually about half the size of the odontoid process… 
2009
2009
Atlanto-axial segmentation defects and os odontoideum in two male siblings with opsismodysplasia
We report two siblings aged 11 and 7 years, respectively, who presented with the clinical and radiographic features of… 
2002
2002
Laron syndrome abnormalities: spinal stenosis, os odontoideum, degenerative changes of the atlanto-odontoid joint, and small oropharynx.
BACKGROUND AND PURPOSE Patients with Laron syndrome have an inborn growth hormone resistance. We investigated abnormalities in… 
2001
2001
Os odontoideum associated with hypertrophic ossiculum terminale. Case report.
The authors report on the case of a 20-year-old man who presented with a transient tetraparesis. Neuroimaging studies… 
Review
2000
Review
2000
Symptomatic cervical synovial cyst associated with an os odontoideum diagnosed by magnetic resonance imaging: case report and review of the literature.
STUDY DESIGN The first case of a synovial cyst of the upper cervical spine associated with os odontoideum diagnosed by magnetic… 
Review
1992
Review
1992
Understanding the os odontoideum.
Five cases of os odontoideum and associated instability of C1-2 involving patients who underwent a posterior spinal fusion are… 
1991
1991
Cineradiographic Motion Analysis of Atlantoaxial Instability in Os Odontoideum
Cineradiography was used to study six patients with os odontoideum. Atlantoaxial kinematics was analyzed with the relative motion… 
1980
1980
Traumatic Atlantoaxial Dislocation Causing Os Odontoideum in Infants
The pathogenesis of os odontoideum is still a subject of debate. The authors encountered two infants who had traumatic… 
1978
1978
Os odontoideum in children: neurological manifestations and surgical management.
The os odontoideum is a congenital anomaly of the 2nd cervical vertebra. It is an ossicle that is separated from the body of the… 
1978
1978
Acquired os odontoideum. A case report.
: A 7-year-old boy presented with os odontoideum after a 5 story fall at 19 months of age, at which time roentgenograms… 
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