Rare diseases · Sign or symptom
Abnormality of the chin
HP:0000306
What it means
An abnormality of the chin, i.e., of the inferior portion of the face lying inferior to the lower lip and including the central prominence of the lower jaw.
Rare diseases that can present with this5
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: Abnormality of the menton · Anomaly of the chin · Deformity of the chin · Malformation of the chin
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.