Rare diseases · Sign or symptom
Aplasia/Hypoplasia involving the metacarpal bones
Absent/small long bones of hand
HP:0005914
What it means
Aplasia or Hypoplasia affecting the metacarpal bones.
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: Absent or hypoplastic metacarpals · Absent/underdeveloped long bones of hand · Aplastic/hypoplastic metacarpals · Hypoplastic metacarpals · Hypoplastic/absent metacarpal bones · Hypoplastic/absent metacarpals · Metacarpal aplasia/hypoplasia
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.