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Late-Onset Friedreich's Ataxia Presenting as a Spastic Paraparesis
1From the Department of Neurology Hardford hospital and the university of connecricur school of medicinefariningtonconnecticur.
Journal of Clinical Neuromuscular Disease
|December 17, 2008
Summary
Friedreich
Area of Science:
- Neuroscience
- Genetics
- Neurology
Background:
- Friedreich's ataxia (FA) is a rare inherited neurodegenerative disorder.
- Typically presents with ataxia, dysarthria, and sensory neuropathy.
- Genetic basis involves trinucleotide repeat expansions in the FXN gene.
Purpose of the Study:
- To report a case of Friedreich's ataxia with an unusual clinical presentation.
- To highlight the phenotypic variability of Friedreich's ataxia.
Main Methods:
- Clinical case presentation.
- Neurological examination.
- Genetic testing for GAA trinucleotide repeats.
Main Results:
- A 55-year-old woman presented with a 10-year history of progressive spastic paraparesis.
- Genetic analysis confirmed homozygosity for the GAA trinucleotide repeat, diagnostic of Friedreich's ataxia.
- Minimal limb ataxia and absence of sensory neuropathy were noted.
Conclusions:
- This case demonstrates that Friedreich's ataxia can present primarily as spastic paraparesis.
- Phenotypic variability in Friedreich's ataxia is significant.
- Awareness of atypical presentations is crucial for accurate diagnosis.
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