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Brain MRI abnormalities in ataxia-telangiectasia
Mario Habek1, Vesna V Brinar, Marko Rados
1Referral Center for Demyelinating Diseases of the Central Nervous System, University Department of Neurology, Zagreb School of Medicine and Zagreb University Hospital Center, Zagreb, Croatia. mhabek@mef.hr
The Neurologist
|May 13, 2008
Summary
Brain MRI in ataxia-telangiectasia (AT) revealed extensive extracerebellar lesions, including dismyelination and telangiectases. This finding expands the known brain MRI abnormalities in AT patients.
Area of Science:
- Neurology
- Radiology
- Genetics
Background:
- Ataxia-telangiectasia (AT) is a rare autosomal recessive neurodegenerative disorder.
- Initial brain MRI in AT patients typically shows normal findings.
Observation:
- A 34-year-old female patient with AT presented with specific MRI findings.
- MRI revealed diffuse white matter dismyelination and characteristic T1/T2 signal abnormalities.
- Dilated telangiectases were observed upon gadolinium enhancement.
Findings:
- Brain MRI confirmed extensive extracerebellar lesions in this AT patient.
- The observed lesions included dismyelination and vascular abnormalities.
Implications:
- This case broadens the spectrum of brain MRI abnormalities documented in AT.
- Findings support the hypothesis of cerebrovascular changes in later stages of AT.
- Highlights the importance of advanced MRI in diagnosing and understanding AT progression.
