IWhat is aortitis?

• Referring to inflammatory disease o f the aorta， may be caused by large vessel vasculi7s such as • Takayasu's arteritis • Giant cell arteritis， • Rheumatic and HLA-B27-spondyloarthropathies， • Behçet's syndrome， • Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides， • Cogan's syndrome， • IgG4-related systemic disease • infections such as syphilis， tuberculosis， and Salmonella