Rare diseases · Sign or symptom
Horizontal inferior border of scapula
HP:0031233
What it means
A morphological abnormality of the scapula in which there is a flat (horizontal) inferior edge of the scapula. The entire scapula is said to resemble a square, leading to the designation sqaring of the scapula (in Figure 1 of PMID:24706940 the scapulae have a roughly rectangular shape).
Rare diseases that can present with this1
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: Squaring of the inferior scapulae · Squaring of the scapula
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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.