Autism intellectual disability and seizures. There is a T1 hypointense and T2 hyperintense subcortical lesion in the pars orbitalis region of the inferior left frontal gyrus that measures up to 5 mm. There is no evidence of intracranial hemorrhage or acute infarct. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. There is dolichocephaly. The orbits are grossly unremarkable.
Nonspecific subcortical lesion in the pars orbitalis region of the inferior left frontal gyrus that measures up to 5 mm. Differential considerations include a prominent perivascular space, a congenital cyst, or perhaps a cystic neoplasm. However, the lesion incompletely characterized due to the lack of intravenous contrast.