Rare diseases · Sign or symptom

Prominent frontal sinuses

HP:0005478

Rare diseases that can present with this1

Sometimes5–29%

1

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

Abnormality of frontal sinus

Also called: Hyperplasia of frontal sinus · Hypertrophy of frontal sinus · Increased size of frontal sinus · Increased volume of frontal sinus · Large frontal sinus

Prominent frontal sinuses

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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.