Aortitis

Differential Diagnosis

• Inflammatory disorders
  • Large-vessel vasculitis: giant cell arteritis, Takayasu arteritis, rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, Reiter syndrome
  • Other vasculitides: ANCA-associated vasculitis (granulomatosis with polyangiitis, polyarteritis nodosum, microscopic polyangiitis), Behçet disease, Cogan syndrome, relapsing polychondritis
  • Sarcoidosis
  • Isolated aortitis
    • Isolated idiopathic aortitis
    • Chronic periaortitis: idiopathic retroperitoneal fibrosis, inflammatory abdominal aortic aneurysm, perianeurysmal aortitis, idiopathic isolated abdominal periaortitis
• Infections
  • Bacterial: Salmonella, Staphylococcus, Streptococcus pneumoniae, others
  • Syphilis
  • Mycobacterium tuberculosis