Key points Intervertebral disc displacement is not a “disease,” but is a component of many variations of disorders of the spine. The displaced disc material and the effects it creates must be carefully assessed and its origin sought by clinical…
Introduction Imaging methods of the spine have greatly expanded since the advent of X-rays for the use of plain radiographs (c.1895), providing anatomical clarity for diagnosis and treatment of the cervical, thoracic, lumbar, and sacral vertebrae. The complex anatomy of…
Introduction The subaxial cervical spine refers to cervical vertebrae located below the “axis” (C2) and is a critical distinction due to inherent biomechanical differences from vertebral levels more cephalad and caudad. Responsible for the majority of cervical range of motion,…