Atlantoaxial degenerative articular cysts are described in various situations like rheumatoid
arthritis, dialysis, and fractures... and in the C1-C2 subluxations of degenerative origin. The …

Posterior C1-2 fixation with individual screw placement in C-1 and C-2 was performed in
three patients presenting with progressive myelopathy caused by retro-odontoid …

✓ The presence of an atlantoaxial degenerative articular cyst is rare; when present this
lesion extends posteriorly to the dens, causing cervicomedullary compressive myelopathy …

Retro-odontoid cysts associated with chronic atlantoaxial subluxation are extremely rare.
This article describes a case of retro-odontoid cystic mass associated with chronic …

Purpose Retro-odontoid pseudotumor, not related to inflammatory or traumatic conditions, is
an uncommon pathology. Atlanto-axial instability has been advocated to explain the …

✓ Cysts associated with spinal joints are not a common cause of neurological symptoms.
The authors report a series of five patients with cysts of the atlantodental articulation and …

Among 27 cases of marked atlanto-axial instability investigated in the last 10 years we found
three with reducible dislocation, in which a cystic “ghost” pseudotumours appeared behind …

BACKGROUND: Atlantoaxial degenerative articular cysts are rare lesions that can cause
extradural compression of the cervicomedullary junction. When symptomatic, they usually …

Purpose Retro-odontoid synovial cysts are rare and attributable to degenerative changes in
the atlantoaxial joints. An anterolateral approach facilitates access to lesions located …

Objective The authors present reports of 2 cases in which there was manifest atlantoaxial
instability and presence of retro-odontoid pseudotumor. The retro-odontoid tumor …