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Related Experiment Videos

[Cadasil: a case with molecular diagnosis].

María C Zurrú1, Ignacio Casas Parera, Graciela Moya

  • 1Servicio de Neurología, Instituto de Oncología Angel H. Roffo, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina. mczurru@hotmail.com

Medicina
|April 23, 2002
PubMed
Summary

Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a genetic condition. This case highlights the first molecular DNA diagnosis of CADASIL in the country, alongside a rare cavernous angioma.

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Area of Science:

  • Neurology
  • Genetics
  • Vascular Biology

Background:

  • CADASIL is a rare genetic disorder affecting small cerebral arteries, leading to stroke and cognitive decline.
  • It is caused by mutations in the Notch3 gene, typically presenting with migraines, ischemic events, or behavioral changes.
  • Pathological hallmarks include osmophilic granular deposits in vessel walls.

Observation:

  • A 40-year-old woman with a history of cavernous angioma surgery presented with hemiparesis and dysarthria.
  • Imaging revealed ischemic lesions and leukoencephalopathy, consistent with CADASIL.
  • Cerebrospinal fluid and vascular imaging ruled out other causes of stroke.

Findings:

  • Molecular DNA testing identified a novel Notch3 gene mutation (c.583C>T) in exon 4, confirming CADASIL.

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  • The patient's clinical presentation and genetic findings align with CADASIL.
  • The co-occurring cavernous angioma was deemed clinically and genetically unrelated.

    • Implications:

    • This case represents the first molecular DNA diagnosis of CADASIL in the country.
    • It underscores the importance of genetic testing for CADASIL diagnosis, especially in atypical presentations.
    • The findings expand the understanding of CADASIL's genetic landscape and diagnostic approaches.