Vasculitis | IgA deposits | Cryoglobulin in blood and vessels | ANCA | Necrotising granulomas | Asthma and blood eosinophilia |
---|---|---|---|---|---|
IgA vasculitis | ✓ | ✖ | ✖ | ✖ | ✖ |
Leucocytoclastic vasculitis | ✖ | ✓ | ✖ | ✖ | ✖ |
MPA | ✖ | ✖ | ✓ | ✓ | ✓ |
GPA/WG | ✖ | ✖ | ✖ | ✓ | ✓ |
EGPA/CSS | ✖ | ✖ | ✖ | ✖/✓ | ✓ |
ANCA, antineutrophil cytoplasmic antibody; CSS, Churg-Strauss syndrome; EGPA, eosinophilic granulomatosis with polyangiitis; GPA, granulomatosis with polyangiitis; MPA, microscopic polyangiitis; WG, Wegener's granulomatosis.