Sporadic Motor Neuron Diseases | |
| CHRONIC | ENTITY |
|---|---|
| Upper and lower motor neuron | Amyotrophic lateral sclerosis |
| Predominantly upper motor neuron | Primary lateral sclerosis |
| Predominantly lower motor neuron | Multifocal motor neuropathy with conduction block |
| Motor neuropathy with paraproteinemia or cancer | |
| Motor predominant peripheral neuropathies | |
| Other | |
| Associated with other neurodegenerative disorders | |
| Secondary motor neuron disorders (see Table 188-2 Etiology of Motor Neuron Disorders) | |
| Acute | |
| Poliomyelitis | |
| Herpes zoster | |
| Coxsackie virus | |
| West Nile virus | |