Rare diseases · Sign or symptom
Abnormal sella turcica morphology
HP:0002679
What it means
Abnormality of the sella turcica, a saddle-shaped depression in the sphenoid bone at the base of the human skull.
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. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Abnormality of the hypophysial fossa · Abnormality of the pituitary fossa · Abnormality of the sella turcica · Anomaly of the hypophysial fossa · Anomaly of the pituitary fossa · Anomaly of the sella turcica
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.