Toddler with right handed weakness since birth

MRI of chronic sequelae from neonatal acute ischemic stroke
Axial T2 MRI without contrast of the brain (above) shows marked asymmetric enlargement of the left lateral ventricle along with a paucity of white matter in the left cerebral hemisphere which is further demonstrated on the coronal T1 MRI (below).

The diagnosis was chronic sequelae of neonatal acute ischemic stroke.