Periventricular white matter hypodensities

What it means

Multiple areas of darker than expected signal on magnetic resonance imaging emanating from the cerebral white matter that surrounds the cerebral ventricles.

See also definition for "Deep white matter hypodensities". These two entities are in contra-distinction to each other.

Rare diseases that can present with this2

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Periventricular cerebral white matter hypodensities