Test Details: This test is used to diagnose Spinocerebellar ataxia (SCA), also known as spinocerebellar atrophy a progressive, degenerative, genetic disease with multiple types. There is no known cure of Spinocerebellar ataxia, It can be easily misdiagnosed as another neurological condition, such as multiple sclerosis (MS). The most precise means of identifying SCA, including the specific type, is through DNA analysis.