Rare diseases · Sign or symptom

Upper limb phocomelia

HP:0009813

What it means

Missing or malformed long bones of the upper limbs with the distal parts (the hands) connected to the variably shortened or even absent upper extremity, leading to a flipper-like appearance, as opposed to other forms of limb malformations were either the whole limb is missing (such as amelia), or the distal part of a limb is absent (peromelia).

Rare diseases that can present with this6

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

Upper limb phocomelia

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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.