Rule out structural abnormalities, 2 year-old nonverbal, oral aversion, hypotonia.. There is mild hypoplasias of the inferior cerebellar vermis. Remainder of the posterior fossa structures are unremarkable. Corpus callosum appears within normal limits. Remainder of the brain is also unremarkable. Sulcation and myelination are age-appropriate. No evidence of infarct, intracranial mass, or mass effect. No extra-axial collections or subdural hematomas. Flow voids are present in the major vessels indicating patency. There is nonspecific opacification of the partially pneumatized maxillary sinuses. Bone marrow signal and extracranial soft tissues are within normal limits.
There is mild hypoplasia involving the inferior cerebellar vermis, which can be a normal variant. MRI of the brain is otherwise unremarkable.