Intracranial arterial dolichoectasia is a condition related to stroke. The prevalence in patients suffering from their first cerebral infarction is estimated to be 3%. Patients with dolichoectasia are more likely to have lacunar infarctions than those without. They have a higher survival rate and better functional prognosis after first cerebral infarction, but a higher rate of stroke recurrence. The aetiology and pathogenesis of the condition is unknown. Only 0.5% of patients suffering a first cerebral infarction have dolichoectasia of both the carotid and vertebrobasilar system. We describe a case of atypical dolichoectasia affecting both circulatory systems as well as the middle and anterior cerebral arteries, with intracerebral haemorrhage.
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