Rare diseases · Sign or symptom

Broad proximal phalanges of the hand

Broad innermost finger bones of the hand

HP:0009852

What it means

Increased width of the proximal phalanges of the finger.

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: Wide innermost finger bones of the hand

Broad proximal phalanges of the hand

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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.