Retro-odontoid Pseudotumor Without Radiological Atlanto-axial Instability: a Systematic Review

Retro-odontoid pseudotumor (RP) can be caused by several pathologies, especially rheumatoid arthritis, and is usually associated with the presence of atlanto-axial instability (AAI). On the other hand, a different group of patients has been identified in whom RP is observed without radiological findings of AAI. The pathophysiology, clinical characteristics, and prognosis of these latter group of patients are not well described in the literature.
Source: World Neurosurgery - Category: Neurosurgery Authors: Tags: Literature Reviews Source Type: research