Retro-odontoid pseudotumors are noninflammatory masses formed posterior to the odontoid
process. Because of their anatomy, the optimal surgical approach for resecting …

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 …

Discussion: We successfully used a transdural approach in the present case and have
observed no recurrence for 7 years postoperatively. C1 laminectomy is reportedly beneficial …

Two relatively elderly male patients (61 and 78 years) suffered moderately severe trauma to
the head 1 and 3 years, respectively, prior to presentation with progressive quadriparesis …

A retroodontoid pseudotumor is a nonneoplastic mass arising posterior to the odontoid
process. We describe a 67-year-old woman admitted to our hospital with numbness of the …

Objective The treatment of a retro-odontoid pseudotumor mass associated with severe
spinal cord compression is challenging due to the complex regional anatomy. Here, we …

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

BACKGROUND CONTEXT: Noninfectious nontumorous retro-odontoid masses are rare,
and masses have not been reported to extensively compress the spinal cord. We …

The authors report a 73-year-old woman who had spinal cord compression develop
because of hypoplasia of the atlas associated with a retroodontoid pseudotumor diagnosed …

A 61-year-old woman without rheumatoid arthritis (RA) was admitted with atlantoaxial
dislocation (AAD) and a retroodontoid mass at the craniovertebral junction manifesting as a …