CADASIL

From IDWiki

Background

  • Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
  • It is a cerebral small vessel disease
  • Inherited in an autosomal dominant pattern
  • Caused by a mutation in the NOTCH3 gene

Clinical Manifestations

  • Presentation can be variable
  • Migraine with aura (70% of patients)
    • Precedes other symptoms
    • Onset around age 30 years
  • TIA and stroke (85%)
    • Most common genetic cause for stroke
    • Onset between 20 and 70 years (average 40 to 50 years)
  • Cognitive impairment and dementia (30%)
    • Causes subcortical vascular dementia
    • Characterized by executive dysfunction, processing speed impairment, and front lobe features
  • Psychiatric features
    • Can be the presenting symptom in a small number of patients
    • Includes mood disorders (depression, bipolar) and suicide attempts
  • Vascular parkinsonism

Further Reading