Late recanalization of basilar artery occlusion in a previously healthy 17-month-old child.

Endovascular treatment of acute ischemic stroke in children is increasingly being reported, although the time window for intervention is unclear. We describe a previously healthy 17-month-old child who presented with vertebral artery thrombosis and cerebellar stroke requiring posterior fossa decompression. She later progressed to basilar artery thrombosis treated with mechanical thrombectomy 50 hours after clinical decline. At 3 month follow-up, the patient had a modified Rankin Scale score of 0.