arachnoiditis
MONDO:0015304Mondo
Findings
No curated finding names arachnoiditis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Arachnoiditis (ARC) is a chronic inflammation of the arachnoid layer of the meninges, of which adhesive arachnoiditis is the most severe form, characterized by debilitating, intractable neurogenic back and limb pain and a range of other neurological problems.
Definition from the Mondo Disease Ontology (MONDO:0015304), 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.
- Abnormality of the eyeHPOHP:0000478
- Very frequent (80% to 99% of cases)
- Abnormality of visionHPOHP:0000504
- Very frequent (80% to 99% of cases)
- ArthralgiaHPOHP:0002829
- Very frequent (80% to 99% of cases)
- Hearing impairmentHPOHP:0000365
- Very frequent (80% to 99% of cases)
- HyporeflexiaHPOHP:0001265
- Very frequent (80% to 99% of cases)
- MeningitisHPOHP:0001287
- Very frequent (80% to 99% of cases)
- Muscle weaknessHPOHP:0001324
- Very frequent (80% to 99% of cases)
- ParesthesiaHPOHP:0003401
- Very frequent (80% to 99% of cases)
- Sensory neuropathyHPOHP:0000763
- Very frequent (80% to 99% of cases)
- TinnitusHPOHP:0000360
- Very frequent (80% to 99% of cases)
- AnhidrosisHPOHP:0000970
- Frequent (30% to 79% of cases)
- FatigueHPOHP:0012378
- Occasional (5% to 29% of cases)
Show the remaining 3
- HydrocephalusHPOHP:0000238
- Occasional (5% to 29% of cases)
- MigraineHPOHP:0002076
- Occasional (5% to 29% of cases)
- Urinary bladder sphincter dysfunctionHPOHP:0002839
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
- Narrower terms (1)
Other names
4 names
Resolves to: arachnoiditis
- Also called
- adhesive arachnoiditisarachnoid mater inflammationchronic arachnoiditisinflammation of arachnoid mater