Rare diseases · Sign or symptom
Morphological central nervous system abnormality
HP:0002011
What it means
A structural abnormality of the central nervous system.
Rare diseases that can present with this23
Very common80–99%
3Common30–79%
6The 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: Abnormality of the central nervous system · Central nervous system disease · Morphological abnormality of the central nervous system · Morphological abnormality of the CNS
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.