Subependymal nodules

What it means

Small nodular masses which originate in the subependymal region of the lateral ventricles and protrude into the ventricular cavity. They may represent subependymal hamartomas of tuberous sclerosis.

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