There are many types of systemic vasculitis and what they are called varies. This is not a complete list, but instead covers the names and associated acronyms you will see for systemic vasculitis on this website.

ANCA
Anti-neutrophil cytoplasm antibody (associated with some types of systemic vasculitis)

AAV
ANCA associated vasculitis, the name given to vasculitis conditions associated with a protein in the blood called ANCA

Anti-GBM
Anti-glomerular basement membrane disease (also known as Goodpasture’s disease)

Behçet’s syndrome (or disease)
A type of systemic vasculitis

Churg-Strauss syndrome
Now known as eosinophilic granulomatosis with polyangiitis (EGPA), a type of ANCA associated vasculitis

EGPA
Eosinophilic granulomatosis with polyangiitis (formerly known as Churg-Strauss syndrome), a type of ANCA associated vasculitis

GCA
Giant cell arteritis, a type of systemic vasculitis. It is also known as temporal arteritis because the blood vessels in the temple area of the head are often affected.

GPA
Granulomatosis with polyangiitis (formerly known as Wegener’s granulomatosis), a type of ANCA associated vasculitis

Hughes-Stovin syndrome
A very rare type of systemic vasculitis that has been considered a variant of Behçet’s syndrome

MPA
Microscopic polyangiitis, a type of ANCA associated vasculitis

MPO
Myeloperoxidase, a protein found in some types of ANCA associated vasculitis

PAN
Polyarteritis nodosa, a type of systemic vasculitis

PR3
Proteinase 3, a protein found in some types of ANCA associated vasculitis

Takayasu arteritis
A type of systemic vasculitis

Urticarial vasculitis
A type of systemic vasculitis, mainly affecting the skin

Wegener’s granulomatosis
Now known as granulomatosis with polyangiitis (GPA), a type of ANCA associated vasculitis