anti-neutrophil cytoplasmic antibody-associated vasculitis microscopic polyangiitis https://github.com/monarch-initiative/mondo/issues/5261 https://rarediseases.info.nih.gov/diseases/3652/microscopic-polyangiitis https://www.malacards.org/card/microscopic_polyangiitis Orphanet:727 Micropolyangiitis MONDO:0019124 icd11.foundation:999231798 MPA GARD:0003652 NANDO:2200426 ICD10CM:M31.7 SCTID:239928004 MEDGEN:389393 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 MedDRA:10063344 EFO:1000784 MESH:D055953 microscopic polyarteritis UMLS:C2347126 NANDO:1200262 obsolete secondary glomerular disease arteritis