Atlantoaxial Instability: Abnormal movement between the first (atlas) and second (axis) cervical vertebrae, potentially compromising neural and vascular structures.

That document, developed by experts at eight of the nation’s largest adult Down syndrome medical centers and other stakeholders, includes over 80 pages of technical guidance on managing behavior, ...

The surgical management of atlantoaxial instability remains one of the most challenging and delicate procedures in spinal surgery. Instability between the atlas (C1) and axis (C2) is often ...