A diagnosis of<unk>  is based upon identification of characteristic symptoms, a detailed patient history, a thorough clinical evaluation and a variety of specialized tests.<unk>  is suspected in individuals who complain of pain or other abnormal sensations following injury to the<unk>  nervous system. Other conditions that cause pain may need to be excluded before a diagnosis of<unk>  is made.
Central pain syndrome
Complex regional pain syndrome
Calpainopathy
Anterior spinal artery syndrome
Nerve compression syndrome
Medial medullary syndrome
Lateral medullary syndrome
Occipital horn syndrome