Dysgenesis of the hippocampus

What it means

Structural abnormality of the hippocampus related to defective development.

Note that the term hippocampal dysgenesis is generally used to refer to a morphological abnormality of the hippocampus that is of presumed developmental (rather than acquired) origin.

Rare diseases that can present with this4

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: Hippocampal dysgenesis