Rare diseases · Sign or symptom
Large sella turcica
Big sella turcica
HP:0002690
What it means
An abnormal enlargement of the sella turcica.
Rare diseases that can present with this5
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, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Enlarged sella turcica · Hyperplasia of hypophysial fossa · Hyperplasia of pituitary fossa · Hyperplasia of sella turcica · Large hypophysial fossa · Large pituitary fossa · Prominent sella turcica
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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.