Rare diseases · Sign or symptom
Molluscoid pseudotumors
HP:0000993
What it means
Bluish-grey, spongy nodules associated with scars over pressure points and easily traumatized areas like the elbows and knees.
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: Molluscoid pseudotumor
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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.