Rare diseases · Sign or symptom
Telangiectasia of the oral mucosa
Spider veins of the oral mucosa
HP:0007428
What it means
Telangiectasia (that is, the presence of small dilated superficial blood vessels) of the oral mucosa.
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: Angioectasia of the oral mucosa · Angioectasia of the oral mucous membrane · Telangiectasia of the oral mucous membrane
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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.