The Rare Disease Database

The most comprehensive source of rare disease information.

Rare View

60% of Tuberous Sclerosis cases are diagnosed in the first year. Diagnosis slows down considerably after the first year.

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Top 10 Rare Neurological Diseases

Measured by: Prevalence

Estimated US Prevalence Inheritance Age of Onset
Narcolepsy 150,000 - 200,000
Lennox-Gastaut Syndrome 45,000 – 50,000
Young Onset Parkinson’s Disease 40,000 – 45,000
Tuberous Sclerosis 27,000 – 37,500
Huntington Disease 22,750 – 35,000
Tibial muscular dystrophy 19,500 – 30,000
Amyotrophic lateral sclerosis 17,000 – 30,000
Duchenne’s muscular dystrophy 15,000 – 20,000
Congenital muscular dystrophy 15,000 – 20,000
Hereditary spastic paraplegia 10,000 – 20,000