Rare diseases · Sign or symptom

Anti-centromere protein A antibody positivity

HP:0034078

What it means

The presence of autoantibodies (immunoglobulins) in the blood circulation that react against CENP-A.

Rare diseases that can present with this1

Common30–79%

1

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: Anti-CENP-A antibody positivity

Anti-centromere protein A antibody…

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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.