Serum vitamin B12, methylmalonic acid, Schilling test, and a complete blood count, looking for megaloblastic anemia if there is also folic acid deficiency or macrocytic anemia. The Schilling test is no longer available in most areas. MRI-T2 images may reveal increased signal within the white matter of the<unk> <unk> , predominantly in the posterior columns and possibly in the spinothalamic tracts.
Subacute combined degeneration of spinal cord
Vascular myelopathy
Acute flaccid myelitis
Paraneoplastic cerebellar degeneration
CMV polyradiculomyelopathy
Surfer's myelopathy
Medial medullary syndrome
Bickerstaff brainstem encephalitis