The condition can involve the limbic system of the brain, which mediates key functions within motivation, emotion, learning, and memory.<unk>  is a syndrome<unk>  with cancer. However, occasionally it occurs without cancer being present. Proteins react within the brain and change behavior and basic biological functions. Primarily adults contract this illness, and typically they have an underlying cancer that is either undiagnosed, diagnosed, in remission, or cured. The condition can occur at any point during cancer. Small cell lung cancer is a particularly aggressive cancer more common in smokers and is<unk>  with anti-Hu encephalitis. Neuroblastoma is a cancer more frequently affecting children, and despite the relatively low rates of anti-Hu among children with neuroblastoma, these are the most likely children to have<unk> .
Anti-Hu associated encephalitis
Anti-NMDA receptor encephalitis
Anti-VGKC-complex encephalitis
Powassan encephalitis
Post viral cerebellar ataxia
Anti-neurofascin demyelinating diseases
Viliuisk encephalomyelitis
Limbic-predominant age-related TDP-43 encephalopathy