<unk>  <unk>  is also called as dysplastic gangliocytoma of the cerebellum.<unk>  <unk>  is a very rare<unk> .<unk>  <unk>  follows an autosomal dominant pattern of inheritance.<unk>  <unk>  is a rare entity that may occur in the association of Cowden's syndrome (CS). In The United States of America in order to categorise a condition as a rare<unk>  it should affect fewer than 200,000 people. Rare<unk> s also called as orphan<unk> s. Orphan Drug Act was passed on 1983 by congress for the rare<unk> s. Today an average of 25-30 million americans have been reported with rare<unk> s. The number of people with individual rare<unk>  may be less but overall the number of people with rare<unk> s are large in number.
Lhermitte-Duclos disease
Kennedy disease
Parkes Weber syndrome
Charcot-Marie-Tooth Syndrome
Hereditary spastic paraplegia
Spinal muscular atrophy
Spinal muscular atrophy other forms
Charcot–Marie–Tooth disease