Preferred Label : Fragile X Tremor/Ataxia Syndrome;
NCIt synonyms : FXTAS;
NCIt definition : An X-linked dominant inherited syndrome caused by mutations in the FMR1 gene. It is
a late onset disorder, usually occurring after age 50. It affects males more frequently
than females. It is characterized by abnormalities in the cerebellum and white matter.
It manifests with intention tremor, ataxia, and cognitive disabilities. The symptoms
worsen with age.;