Arterial ischemic stroke involving the posterior circulation is uncommon in children. The underlying etiologies and risk factors predisposing to posterior circulation stroke include vasculopathies, intracranial trauma, cardiac disease, infection, and hematologic disorders. However, in many children with posterior circulation stroke, the underlying mechanisms are poorly understood. We describe a 14-month-old infant with recurrent arterial ischemic stroke involving the posterior circulation secondary to an aneurysm of the basilar artery.
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