Hippocampal atrophy

What it means

Partial or complete wasting (loss) of hippocampus tissue that was once present.

The hippocampus is part of the temporal cortex (albeit allocortex rather than neocortex).

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: Atrophy of the hippocampus · Degeneration of the hippocampus