Pannus regression after posterior decompression and occipito-cervical fixation in occipito-atlanto-axial instability due to rheumatoid arthritis: Case report and literature review
Keywords: Atlanto-axial instability; Rheumatoid arthritis; Inflammatory pannus; Occipito-cervical fusion; Altanto-axial dislocation; Craniovertebral junction; Surgical technique