Rare diseases · Sign or symptom
Abdominal aseptic abscess
HP:0025181
What it means
An abscess-like lesion located within the abdomen. The lesions are localized in the spleen, liver, abdominal lymph nodes. The lesions represent visceral sterile collections of mature neutrophils that do not respond to antibiotics but regress quickly when treated with corticosteroids, but relapses occur frequently.
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
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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.