Rare diseases · Sign or symptom
Pituitary macroadenoma
HP:0025693
What it means
A pituitary gland adenoma that is larger than 10mm.
Pituitary macroadenoma presents with mass effects and potentially hormonal deficiency or hormonal excess.
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: Pituitary gland macroadenoma
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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.