ependymoma
MONDO:0016698Mondo
Findings
No curated finding names ependymoma yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A WHO grade II, slow growing tumor of children and young adults, usually located intraventricularly. It is the most common ependymal neoplasm. It often causes clinical symptoms by blocking cerebrospinal fluid pathways. Key histological features include perivascular pseudorosettes and ependymal rosettes. (WHO)
Definition from the Mondo Disease Ontology (MONDO:0016698), 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.
- EpendymomaHPOHP:0002888
- Obligate (100% of cases)
- Abnormal cell morphologyHPOHP:0025461
- Frequent (30% to 79% of cases)
- MigraineHPOHP:0002076
- Frequent (30% to 79% of cases)
- PainHPOHP:0012531
- Frequent (30% to 79% of cases)
- Distal muscle weaknessHPOHP:0002460
- Occasional (5% to 29% of cases)
- DysesthesiaHPOHP:0012534
- Occasional (5% to 29% of cases)
- Gait disturbanceHPOHP:0001288
- Occasional (5% to 29% of cases)
- SeizureHPOHP:0001250
- Occasional (5% to 29% of cases)
- Spinal cord tumorHPOHP:0010302
- Occasional (5% to 29% of cases)
- Supratentorial neoplasmHPOHP:0030693
- Occasional (5% to 29% of cases)
- VomitingHPOHP:0002013
- Occasional (5% to 29% of cases)
- Neoplasm of the breastHPOHP:0100013
- Very rare (1% to 4% of cases)
Show the remaining 3
- Neoplasm of the liverHPOHP:0002896
- Very rare (1% to 4% of cases)
- Neoplasm of the lungHPOHP:0100526
- Very rare (1% to 4% of cases)
- Ovarian neoplasmHPOHP:0100615
- Very rare (1% to 4% of cases)
Where it sits
- A kind of
Other names
1 name
Resolves to: ependymoma
- Also called
- benign ependymoma