Anti-neutrophil cytoplasmic antibody-associated vasculitis systemic inflammatory disease associated with an acquired peripheral neuropathy microscopic polyangiitis EFO:1000784 GARD:0003652 ICD10:M31.7 MESH:D055953 MONDO:0019124 MPA MedDRA:10063344 Micropolyangiitis Microscopic polyangiitis (MPA) is an inflammatory, necrotizing, systemic vasculitis that affects predominantly small vessels (i.e. small arteries, arterioles, capillaries, venules) in multiple organs. NCIT:C70549 Orphanet:727 SCTID:239928004 UMLS:C2347126 https://rarediseases.info.nih.gov/diseases/3652/microscopic-polyangiitis microscopic polyarteritis secondary glomerular disease neurovascular disease arteritis