AAV	ANCA-associated vasculitis
ACS	Angiographic Composite Score
ADS	Angiographic Dilatation Score
AGATA	Abatacept in Giant Cell Arteritis and Takayasu arteritis
ANCA	Antineutrophil cytoplasmic antibody
APRs	Acute phase reactants
ASS	Angiographic Stenosis Score
AUC	Area under the curve
BVAS	Birmingham Vasculitis Activity Score
CA125	Cancer antigen 125
CA15-3	Cancer antigen 15-3
CARDS	Combined Arteritis Damage Score
CCL	Chemokine (C-C motif) ligand
CDUS	Colour Doppler ultrasound
CDUS-K	Colour Doppler ultrasound in Takayasu arteritis score from Kolkata
CDA	Combined Damage Assessment Index
CECs	Circulating endothelial cells
CEMRA	Contrast-enhanced MRA
CRP	C-reactive protein
CTA	Computerized tomographic angiography
C4BP	C4 binding protein
DEI.TAK	Disease Extent Index in TAK
DMARDs	Disease-modifying anti-rheumatic drugs
DSA	Digital subtraction angiography
EPCs	Endothelial progenitor cells
ESR	Erythrocyte sedimentation rate
EULAR	European Alliance of Associations for Rheumatology
FAPI	Fibroblast Activator Protein Inhibitor
18-FDG	18-fluorodeoxyglucose
GCA	Giant cell arteritis
GFR	Glomerular filtration rate
GROα	Growth-regulated oncogene α
IGFBP-2	Insulin like growth factor binding protein 2
IL	Interleukin
ICAM-1	Intercellular adhesion molecule 1
ITAS	Indian TAK Clinical Activity Score
LVV	Large vessel vasculitis
LYVE-1	Lymphatic vessel endothelial hyaluronan receptor 1
MRA	Magnetic resonance angiography
MMPs	Matrix metalloproteinases
MRP 8/14	Myeloid-related protein 8/14
NLR	Neutrophil-to-lymphocyte ratio
PAAT	Periaortic adipose tissue
PCAT	Pericoronary adipose tissue
PETVAS	PET vascular activity score
PET-CT	Positron emission tomography computerized tomography
PET-MRI	PET-magnetic resonance imaging
PGA	Physician global assessment
PLR	Platelet-to-lymphocyte ratio
PROMs	Patient-reported outcome measures
PTX-3	Pentraxin-related protein
RAG-1	Recombination activating gene 1
RCTs	Randomized controlled trials
RDW	Red cell distribution width
SAA	Serum amyloid A
SAP	Serum amyloid P
SNPs	Single nucleotide polymorphisms
SST2	Somatostatin receptor subtype 2
SUVmax	Maximum standardized uptake values
SUVmean	Mean standardized uptake values
TADS	Takayasu Arteritis Damage Score
TAK	Takayasu arteritis
TBR	Target-to-blood pool ratio
TNF	Tumor necrosis factor
TIMP-1	Tissue inhibitor of metalloproteinases 1
VCAM-1	Vascular cell adhesion molecule 1
VDI	Vasculitis Damage Index
VEGF	Vascular endothelial growth factor