Rare diseases · Sign or symptom
Abnormal frontal bone morphology
Abnormality of the bone of the forehead
HP:0430000
What it means
An abnormality of the frontal bone.
Rare diseases that can present with this2
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: Abnormal morphology of frontal bone · Abnormality of the frontal bone · Anomaly of the frontal bone · Deformity of the frontal bone · Malformation of the frontal bone
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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.