Axonal loss

What it means

A reduction in the number of axons in the peripheral nervous system.

This finding can be observed upon nerve biopsy.

Rare diseases that can present with this6

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