"Similar to amyotrophic lateral sclerosis, a paucity of effective treatment options exist. Prognosis much much better than other forms of motor neurone disease, with near-normal life expectancies reported 4."
"hereditary spastic paraplegia: typically presents at an earlier age, does not have bulbar involvement, upper limb involvement is unusual, and may have positive genetic testing 1"
"HTLV-1-associated myelopathy: positive HTLV-1 serology 1"
"HTLV-1-associated myelopathy: positive HTLV-1 serology 1"