Rare diseases · Sign or symptom
Bone cyst
Bone cysts
HP:0012062
What it means
A fluid filled cavity that develops with a bone.
Many bone cysts are asymptomatic. However, larger cysts can make the bone more susceptible to fracture.
Rare diseases that can present with this18
Very common80–99%
5Common30–79%
6The 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
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.