No abstract

Background: Huntington's disease is very rare in Asian country compared with European and American country. This discrepancy is reported by different frequency of haplotypes. Objective: To clarify the prevalence of Huntington's disease in Japan, and to investigate their medical condition. Material and methods: We collected patients' data from Japan Intractable Disease Information Center and department of the specific disease control, Japanese Ministry of Health, Labor and Welfare. Then, we analyzed these data with statistical methods.