Juvenile amyotrophic lateral sclerosis.

ABSTRACT

Juvenile amytrophic lateral sclerosis (JALS) is a type of motor neuron disease presenting before 25 years of age. It is characterized by a combination of upper and lower motor signs. It may be familial or sporadic. We are reporting a sporadic case of JALS with onset of symptoms at 4 years of age. Diagnostic criteria and a brief review of literature are presented.