Subluxation of atlanto-occipital joint is seen in all except:: (A) Gout, (B) Odontoid dysgenesis, (C) Rheumatoid ahritis, (D) Ankylosing spondylitis
Answer is A. Gout very rarely causes cranioveebral anomalies CRANIOVEEBRAL (CV) JUNCTION ANOMALIES: Subluxation of BASE OF SKULL + C1 + C2 Causes are: *