Balo concentric sclerosis



Patient Groups

Balo concentric sclerosis
Concentric sclerosis
Encephalitis periaxialis concentrica
Leukoencephalitis periaxialis concentric

Balo’s disease is a rare demyelinating disorder of the central nervous system in which the myelin (the fatty substance covering nerve cells) is damaged. 

National MS Society


The prevelance of Balo's concenctric sclerosis is unknown

1. Balo's concentric sclerosis is a very rare and acute condition. It is most common in Chinese and Filipino populations.

Typical Age of onset

Balo's disease usually appears in adulthood but childhood cases have been reported.


The symptoms of Balo’s disease vary depending on the areas of the brain that are affected and can include:

  • Muscle spasms
  • Paralysis (loss of ability to move a part of the body
  • Seizures
  • Cognitive loss ( difficulty processing information with memory or with executive functions
  • Aphasia (difficulty speaking or understanding speech
  • High fever
  • Headache

Source: Healthline