Bilateral perinatal arterial stroke in a neonate

Perinatal arterial ischaemic stroke (PAIS) is the cause for 10–15% of neonatal seizures and approximately 30% of childhood hemiplegia.1 We report a case of bilateral arterial stroke which initially was thought to be hemimegalencephaly and unilateral arterial stroke. A term baby was noticed to have paucity of movements of his right upper limb in the immediate postnatal period. A brain MRI on day 7 showed large porencephalic cyst involving the entire territory of the left middle cerebral artery (MCA). There was also a shift of the midline …