Rare diseases · Sign or symptom
Abnormality of the humeroulnar joint
HP:0100745
What it means
An anomaly of the joint between the trochlear notch of ulna and the trochlea of humerus, which is part of the elbow joint.
Rare diseases that can present with this3
Common30–79%
1The 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
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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.