Rare diseases · Sign or symptom

Perinuclear antineutrophil antibody positivity

HP:0032229

What it means

The presence of autoantibodies in the serum that react against proteins predominantly expressed in perinuclear region of neutrophils.

Part of the broader category

Also called: p-ANCA positivity

Perinuclear antineutrophil 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.