intracranial berry aneurysm
Findings
No curated finding names intracranial berry aneurysm yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
An intracranial aneurysm with a characteristic rounded shape; the most common form of cerebral aneurysm.
Definition from the Mondo Disease Ontology (MONDO:0016483), read 2026-09-29. CC BY 4.0.
Features
15 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Cerebral berry aneurysmHPOHP:0007029
- Obligate (100% of cases)
- Abnormal brainstem morphologyHPOHP:0002363
- Frequent (30% to 79% of cases)
- Abnormal circle of Willis morphologyHPOHP:0012518
- Frequent (30% to 79% of cases)
- AtherosclerosisHPOHP:0002621
- Frequent (30% to 79% of cases)
- HemiparesisHPOHP:0001269
- Frequent (30% to 79% of cases)
- HypertensionHPOHP:0000822
- Frequent (30% to 79% of cases)
- SeizureHPOHP:0001250
- Frequent (30% to 79% of cases)
- Transient ischemic attackHPOHP:0002326
- Frequent (30% to 79% of cases)
- Visual field defectHPOHP:0001123
- Frequent (30% to 79% of cases)
- Aortic dissectionHPOHP:0002647
- Occasional (5% to 29% of cases)
- Aortic root aneurysmHPOHP:0002616
- Occasional (5% to 29% of cases)
- EncephalomalaciaHPOHP:0040197
- Occasional (5% to 29% of cases)
Show the remaining 3
- Intracranial hemorrhageHPOHP:0002170
- Occasional (5% to 29% of cases)
- Oculomotor nerve palsyHPOHP:0012246
- Occasional (5% to 29% of cases)
- Subarachnoid hemorrhageHPOHP:0002138
- Occasional (5% to 29% of cases)
Genes
2 genes
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- ANGPTL6HGNC:23140
- Supportive · Orphanet · Autosomal dominant · 2021
- HGNC:17754HGNC:17754
- Supportive · Orphanet · Autosomal dominant · 2021
Where it sits
- Narrower terms (12)
- aneurysm, intracranial berry type 1
- aneurysm, intracranial berry, 10
- aneurysm, intracranial berry, 11
- aneurysm, intracranial berry, 12
- aneurysm, intracranial berry, 2
- aneurysm, intracranial berry, 3
- aneurysm, intracranial berry, 4
- aneurysm, intracranial berry, 5
- aneurysm, intracranial berry, 6
- aneurysm, intracranial berry, 7
- aneurysm, intracranial berry, 8
- aneurysm, intracranial berry, 9
Other names
4 names
Resolves to: intracranial berry aneurysm
- Also called
- aneurysm, intracranial berryfamilial aneurysmal subarachnoid haemorrhagefamilial berry aneurysmfamilial intracranial saccular aneurysm