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From the Institute of Music Physiology and Musicians Medicine, Hanover University of Music and Drama, Hanover, Germany (A.S., H.-C.J., E.A.); Departments of Neurology (J.H., N.B., K.H., C.K.) and Human Genetics (K.H., C.K.), Lübeck University, Lübeck, Germany; Department of Neurology, Beth Israel Medical Center, New York, NY (R.S.-P., S.B.B.); Department of Neurology, Albert Einstein College of Medicine, Bronx, NY (R.S.-P., S.B.B.); and Department of Neurology, Oregon Health & Sciences University, Portland, OR (P.L.K.).
Address correspondence and reprint requests to Dr. Christine Klein, Department of Neurology, University of Lübeck, Ratzeburger Allee 160, 23538 Lübeck, Germany; e-mail: christine.klein{at}neuro.uni-luebeck.de
Musicians dystonia is generally considered a sporadic disorder. We present three families with the index patient affected by musicians dystonia, but other forms of upper limb focal taskspecific dystonia (FTSD), mainly writers cramp, in seven relatives. Our results suggest a genetic contribution to FTSD with phenotypic variability, including musicians dystonia.
Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the August 22 issue to find the title link for this article.
This work was supported by the Volkswagen Foundation, the Dystonia Medical Research Foundation, and the Bachmann-Strauss Dystonia & Parkinsons Foundation, Inc.
Disclosure: The authors report no conflicts of interest.
Received January 10, 2006. Accepted in final form April 20, 2006.
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