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