Rare diseases · Sign or symptom

Abnormal descending aorta morphology

HP:0031934

What it means

A structural abnormality of the part of the aorta that begins at the aortic arch and then descends through the chest and abdomen.

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

Abnormal descending aorta morphology

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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.