Rare diseases · Sign or symptom

Unilateral alveolar cleft of maxilla

HP:0410033

What it means

One sided alveolar cleft of the maxilla.

Consider adding additional annotations to specify the completeness of the cleft using 'Incomplete cleft maxillary alveolar ridge' (HP:5201007) or 'Complete cleft maxillary alveolar ridge' (HP:5201008).

Rare diseases that can present with this1

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

Cleft maxillary alveolar ridge
Unilateral alveolar cleft of maxilla

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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.