Abnormal third ventricle morphology

What it means

An abnormality of the third ventricle.

The third ventricle is the cerebral ventricle that is located in the midline between the left and right lateral ventricles.

Rare diseases that can present with this1

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: Abnormality of the third ventricle