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Nat Clin Pract Neurol. 2007 Feb;3(2):107-12.

Fragile X-associated tremor/ataxia syndrome--an older face of the fragile X gene.

Author information

  • 1Department of Biochemistry and Molecular Medicine, University of California Davis School of Medicine, Davis, CA 95616, USA. pjhagerman@ucdavis.edu

Abstract

BACKGROUND:

A 76-year-old man presented with an 8-year history of balance problems and a 2-year history of short-term memory loss. He had also been experiencing long-term problems with impotence and episodes of urinary incontinence, and had been managed for hypertension for 25 years. His medical history was otherwise unremarkable. Three of his grandchildren had been diagnosed with fragile X syndrome.

INVESTIGATIONS:

Neurological examination, cognitive and neuropsychological testing, nerve conduction studies, MRI, and genetic testing.

DIAGNOSIS:

Fragile X-associated tremor/ataxia syndrome (FXTAS) resulting from a premutation (CGG repeat) expansion of the FMR1 gene.

MANAGEMENT:

Explanation of the genetic ramifications of premutation carrier status for the FMR1 gene, and symptomatic treatment for the clinical difficulties experienced by the patient.

PMID:
17279084
[PubMed - indexed for MEDLINE]
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