Purpose: A retro-odontoid pseudotumor that is not associated with rheumatoid arthritis or
hemodialysis is clinically rare. The majority of surgeons select transoral resection as the …

BACKGROUND We present the case of an elderly patient with a retro-odontoid soft tissue
mass associated with atlanto-axial subluxation. CASE DESCRIPTION A 74-year-old man …

A non-neoplastic mass posterior to the dens is termed a retro-odontoid mass (R-OM). This
retrospective study evaluated radiographic and clinical outcomes and R-OM changes after …

The retro-odontoid pseudotumor is often concurrent with atlantoaxial subluxation (AAS).
Therefore, the pseudotumor is relatively common in rheumatoid arthritis (RA) but rare in …

Odontoid pseudotumor is a mass occurring around the odontoid process in the cervical
spine and can cause significant neurological symptoms at the craniocervical junction due to …

Surgery for neoplastic or vascular lesions at the craniovertebral junction remains one of the
major challenges for neurosurgeons, because of issues such as the complex functional …

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 …

✓ Retroodontoid or periodontoid pseudotumor unassociated with rheumatoid arthritis or
hemodialysis is clinically rare. The authors report three cases of retroodontoid pseudotumor …

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 …

Journal of Craniovertebral Junction and Spine 2015, 6: 2 spinal disease. Instability at the
facets that is the only true joint of the spine is secondary to weakness of the muscles of the …