Medical procedures are the most common cause of injury to the spinal<unk>  nerve. In particular, radical neck dissection and cervical lymph node biopsy are among the most common surgical procedures that result in spinal<unk>  nerve damage. London notes that a failure to rapidly identify spinal<unk>  nerve damage may exacerbate the problem, as early intervention leads to improved outcomes.
Accessory nerve disorder
Lower motor neuron lesion
Upper motor neuron lesion
Calpainopathy
Median nerve palsy
Nerve injury
Neurolathyrism
Neurocristopathy