choroid plexus papilloma
Findings
No curated finding names choroid plexus papilloma yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Papilloma of the choroid plexus is a rare benign type of choroid plexus tumor, accounting for 1% of all brain tumors, often occurring in the fourth ventricle (in adults) and the lateral ventricle (in children) but sometimes arising ectopically in the brain parenchyma, and presenting with nausea, vomiting, papilledema, abnormal eye movements, as well as enlarged head circumference, seizures and gait impairment due to an increase in intracranial pressure.
Definition from the Mondo Disease Ontology (MONDO:0009837), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Intermediate young adult onset
HPO, annotations 2026-09-02
Features
10 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.
- Choroid plexus papillomaHPOHP:0200022
- 1 of 1 reported patient · Late young adult onset
- Very frequent (80% to 99% of cases)
- OsteosarcomaHPOHP:0002669
- 1 of 1 reported patient · Intermediate young adult onset
- Abnormal nervous system morphologyHPOHP:0012639
- Very frequent (80% to 99% of cases)
- HydrocephalusHPOHP:0000238
- Very frequent (80% to 99% of cases)
- Cognitive impairmentHPOHP:0100543
- Occasional (5% to 29% of cases)
Where it sits
Other names
2 names
Resolves to: choroid plexus papilloma
- Also called
- choroid plexus papilloma, no ICD-O subtypepapilloma of the choroid plexus