Rare diseases · Sign or symptom

Prominent palatine ridges

HP:0010291

What it means

Increased size and/or number of soft tissue folds on the palatal side of the maxillary alveolar ridge.

Soft tissue folds are typically present on the lateral sides of the palate, especially anteriorly.

Rare diseases that can present with this3

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: Large lateral palatal folds · Large lateral palatal ridges · Prominent lateral palatal folds · Prominent lateral palatal ridges · Prominent palatine folds

Prominent palatine ridges

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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.