Rare diseases · Sign or symptom

Chess-pawn distal phalanges

Chess-pawn shaped outermost bone

HP:0006170

What it means

A morphological abnormality of distal phalanges such that they have the appearance of chess pawns.

Rare diseases that can present with this1

Sometimes5–29%

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 finger
Chess-pawn distal phalanges

Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.

Start free with Eleplan

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.