Key result
Pediatric intracranial artery dissection shows complete recanalization and hematoma regression at 3 months post-stroke.
Case Report (n=1)
Highlights a rare case of middle and anterior cerebral arteries dissection causing ischemic stroke in a pediatric patient, with spontaneous regression of intramural hematoma over 3 months.
Single pediatric stroke case post-influenza vaccination; hypothesis-generating and leaves open any causal link.
Authors describe a 7-year-old boy, who developed a severe right-sided hemiparesis, aphasia, seizure, and confusion state during sport games. There was no headache. Allergic dermatitis in the past medical history and influenza vaccination 2 weeks before stroke were recorded. On the 12th day of disease, MRI of the brain revealed an acute infarction in the territory of left anterior and middle cerebral arteries with hemorrhagic transformation. MPA (15 day) showed occlusion of the left ACA and MCA. HR-MRI T1_db_fs weighted imaging (36 day) found intramural hematoma (IMH) in ACA and MCA with marked stenosis of the lumen. After 3 months, HR-MRI/MRA showed the complete regression of IMH, recanalization of the arterial lumen, prolonged irregular MCA stenosis. Neurological deficit regressed significantly.
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Kalashnikova et al. (2016) conducted a case report in Ischemic stroke (n=1). Middle and anterior cerebral arteries dissection was evaluated on Clinical and radiological outcome. Middle and anterior cerebral arteries dissection in a 7-year-old boy caused ischemic stroke, with complete regression of intramural hematoma and recanalization observed at 3 months.
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