Final answer:
Ventriculomegaly out of proportion to sulcal atrophy is suggestive of hydrocephalus, a condition characterized by the accumulation of cerebrospinal fluid in the brain.
Step-by-step explanation:
Ventriculomegaly out of proportion to sulcal atrophy is suggestive of a condition called hydrocephalus. Hydrocephalus is a neurological disorder characterized by the accumulation of cerebrospinal fluid (CSF) in the brain, leading to enlarged ventricles. CT and MRI scans are often used to diagnose and monitor hydrocephalus by visualizing the enlarged ventricles.