This booklet reviews information about dominantly inherited
forms of spinocerebellar ataxia (SCA) and genetic testing for SCA.
Spinocerebellar ataxia is an inherited disorder of brain function. It
is characterized by increasing problems with coordination that often
affect the legs, hands and speech. There are more than 20 types of
SCA that have been described. These types are given numbers (1-
22, excluding the number 9), and they share many similarities and
symptoms. The numbers do not imply increasing severity. Rather,
SCA 1 was the first type of spinocerebellar ataxia to be linked to a
specific chromosome, SCA 2 was the second, and so on. At this
time, genetic testing is available for several types of SCA (types 1,
2, 3, 6, 7, 8, 10, 12, 14, and 17). The decision to be tested is a
personal one, and each person must make his or her own informed
choice about testing
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這是關於dominantly inherited booklet評審資訊ataxia forms of spinocerebellar(SCA)和遺傳測試,SCA。是一Spinocerebellar ataxia腦障礙。它inherited function of與日益增長的特點是由often coordination這問題affect手和腿的演講,更是比B .有20 of這已經被described SCA。These numbers(1 - B是因為22,excluding number),和他們的許多9 similarities和共亯症狀:不要。severity numbers,意味著Rather日益增長。SCA是spinocerebellar type 1(第一是ataxia linked to a特异性染色體的第二2,SCA是在在這,和SO。時間是可用的,遺傳的,several - SCA(B 1,B2,3,6,7,8,10,12,14),和17)。是一個决定要tested每一個人,讓他或她自己的人一定informed關於測試選擇
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