Rare diseases · Sign or symptom
Postauricular skin tag
Skin tag behind the ear
HP:0004451
What it means
A rudimentary tag of ear tissue often containing a core of cartilage and located just in back of the auricle (outer part of the ear).
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: Postauricular acrochordon · Postauricular fibroepithelial polyp
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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.