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Rare diseases · Sign or symptom

Bullet-shaped distal phalanges of the hand

Bullet-shaped outermost finger bone of the hand

HP:0009837

What it means

Short and wide distal phalanges that taper distally. Bullet-shaped phalanges lack the normal diaphyseal constriction.

Rare diseases that can present with this1

Common30–79%

1

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

Abnormal distal phalanx morphology of fingerBullet-shaped phalanges of the hand
Bullet-shaped distal 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.