Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Amyotrophic lateral sclerosis 4
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Amyotrophic lateral sclerosis 4: ALS4. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) with no bulbar involvement, inherited in an autosomal dominant manner and caused by mutation in a gene on chromosome 9q34.
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