Rare diseases · Sign or symptom

Demyelinating motor neuropathy

HP:0007220

What it means

Demyelination of peripheral motor nerves.

Demyelinating motor neuropathy demonstrates slow motor nerve conduction velocities with reduced amplitudes of motor nerve conduction and prolonged distal latencies.

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

Demyelinating motor neuropathy

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.