Rare diseases · Sign or symptom
Stroke
HP:0001297
What it means
Sudden impairment of blood flow to a part of the brain due to occlusion or rupture of an artery to the brain.
In everyday care
Most people with this sign do not have a rare disease — it appears in common conditions far more often. These general reference pages cover the same topic:
Rare diseases that can present with this80
Very common80–99%
6Common30–79%
10- CADASIL
- Extracranial carotid artery aneurysm
- Immune-mediated thrombotic thrombocytopenic purpura
- Lysosomal acid lipase deficiency
- Oculoskeletodental syndrome
- Primary angiitis of the central nervous system
- Schimke immuno-osseous dysplasia
- Sturge-Weber syndrome
- Thrombotic thrombocytopenic purpura
- Williams syndrome
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: Cerebral vascular events · Cerebrovascular accident · Cerebrovascular accidents
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.