Rare diseases · Sign or symptom
Interphalangeal thumb joint contracture
HP:0009626
What it means
Chronic loss of joint motion of the interphalangeal joint of the thumb due to structural changes in non-bony tissue. This joint is also called Articulatio interphalangealis pollicis.
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: Contracture of the interphalangeal joint of the thumb · Interphalangeal extension contractures of thumbs
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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.