[CADASIL syndrome - cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy]

Dorota Dziewulska1, Hubert Kwieciński

  • 1Katedra i Klinika Neurologii Warszawski Uniwersytet Medyczny. dorota.dziewulska@wum.edu.pl

Insights

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a genetic condition affecting blood vessels in the brain. Early diagnosis through skin biopsy and genetic testing is crucial for managing this rare neurodegenerative disease.

Area of Science:

  • Neurology
  • Genetics
  • Vascular Biology

Background:

  • Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited neurodegenerative disorder.
  • It is caused by mutations in the Notch 3 receptor gene, affecting vascular smooth muscle cells.
  • CADASIL is a significant cause of subcortical vascular dementia, often overlooked in differential diagnoses.

Purpose of the Study:

  • To review the literature on the pathogenesis and clinical presentation of CADASIL.
  • To provide recommendations for the detection, diagnosis, and management of CADASIL.
  • To increase awareness and improve diagnostic accuracy for this rare condition.

Main Methods:

  • Literature review focusing on pathogenesis, clinical manifestations, and diagnostic approaches.
  • Synthesis of current knowledge on CADASIL.
  • Formulation of evidence-based recommendations for clinical practice.

Main Results:

  • CADASIL presents clinically with migraine, recurrent subcortical ischemic events, dementia, and mood disorders.
  • Diagnosis relies on characteristic clinical findings, skin biopsy, and genetic testing for Notch 3 mutations.
  • The review consolidates information on the disease's genetic basis and clinical spectrum.

Conclusions:

  • CADASIL requires consideration in the differential diagnosis of subcortical vascular dementia.
  • Accurate diagnosis is achievable through a combination of clinical evaluation, skin biopsy, and genetic analysis.
  • Implementing recommended detection, diagnosis, and management strategies can improve patient outcomes.

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