Rare diseases · Sign or symptom
Prominence of the zygomatic bone
Prominence of cheekbone
HP:0012370
What it means
Large or prominent malar surface of the zygomatic bone of the skull, which is convex and forms the prominence of the 'cheek bones'.
Rare diseases that can present with this4
Common30–79%
2The 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: Cheekbone excess · Cheekbone prominence · Hyperplasia of cheekbone · Hyperplasia of zygomatic bone · Malar hypertrophy · Pronounced cheekbone · Zygomatic bone excess · Zygomatic hypertrophy
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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.