Rare diseases · Sign or symptom

Ovarian serous cystadenoma

HP:0012887

What it means

A cystic tumor of the ovary, containing thin, clear, yellow serous fluid and varying amounts of solid tissue.

Ovarian serous cystadenoma HAS a malignant potential several times greater than that of mucinous cystadenoma. It can be unilocular, parvilocular, or multilocular. It is often bilateral and papillary. The cysts may vary greatly in size.

Rare diseases that can present with this3

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: Serous ovarian cyst

Ovarian serous cystadenoma

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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.