A Study on the Prevalence of Mutation of Cerebrotendinous Xanthomatosis (CTX)

Specific members of nuclear and extended family relatives will be contacted to propose genetic counseling. Approvals for genetic testing will be asked and necessary information forms will be provided. A total of 5 ml of blood will be collected from each patient for DNA analysis. Blood samples will be analyzed at the Damagen Genetic Diagnosis Center (Ankara), after which no samples will be stored and all samples will be destroyed.