microscopic polyangiitis
MONDO:0019124Mondo
Findings
No curated finding names microscopic polyangiitis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Microscopic polyangiitis (MPA) is an inflammatory, necrotizing, systemic vasculitis that affects predominantly small vessels (i.e. small arteries, arterioles, capillaries, venules) in multiple organs.
Definition from the Mondo Disease Ontology (MONDO:0019124), read 2026-09-29. CC BY 4.0.
Features
55 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.
- AutoimmunityHPOHP:0002960
- Very frequent (80% to 99% of cases)
- Crescentic glomerulonephritisHPOHP:0008653
- Very frequent (80% to 99% of cases)
- ErythemaHPOHP:0010783
- Very frequent (80% to 99% of cases)
- FeverHPOHP:0001945
- Very frequent (80% to 99% of cases)
- GlomerulonephritisHPOHP:0000099
- Very frequent (80% to 99% of cases)
- GlomerulopathyHPOHP:0100820
- Very frequent (80% to 99% of cases)
- HematuriaHPOHP:0000790
- Very frequent (80% to 99% of cases)
- HemoptysisHPOHP:0002105
- Very frequent (80% to 99% of cases)
- Increased inflammatory responseHPOHP:0012649
- Very frequent (80% to 99% of cases)
- OliguriaHPOHP:0100520
- Very frequent (80% to 99% of cases)
- Renal insufficiencyHPOHP:0000083
- Very frequent (80% to 99% of cases)
- Skin rashHPOHP:0000988
- Very frequent (80% to 99% of cases)
Show the remaining 43
- VasculitisHPOHP:0002633
- Very frequent (80% to 99% of cases)
- Abdominal painHPOHP:0002027
- Frequent (30% to 79% of cases)
- Abnormal urine cytologyHPOHP:0012614
- Frequent (30% to 79% of cases)
- AnemiaHPOHP:0001903
- Frequent (30% to 79% of cases)
- Anti-myeloperoxidase antibody positivityHPOHP:0033559
- Frequent (30% to 79% of cases)
- Anti-neutrophil elastase antibody positivityHPOHP:0034104
- Frequent (30% to 79% of cases)
Where it sits
Other names
3 names
Resolves to: microscopic polyangiitis
- Also called
- Micropolyangiitismicroscopic polyarteritisMPA