Rare diseases · Sign or symptom
Entrapment neuropathy of the ulnar nerve at elbow
HP:0012186
What it means
An entrapment neuropathy of the ulnar nerve in the cubital tunnel (in the elbow) characterized by numbness in the ring and little fingers and weakness of the intrinsic muscles in the hand.
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: Cubital tunnel syndrome
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Start free with EleplanThis 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.