Figure 14 (A-D): Rotatory atlantoaxial subluxation: A child with h/o trauma followed by torticollis. VRT (A) and coronal and axial CT images showing dens lying eccentrically (B and C ) in atlantal ring with anterior subluxation of lateral mass of C1 over C2 (D) Also note that AP axis of C1 and C2 are no more parallel