What is vasculitis?
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Overview of different vasculitides, their clinical presentations, and treatment options.
Mastering this deck enables clinicians to accurately recognize various vasculitis syndromes, understand their pathophysiology, and implement appropriate diagnostic and therapeutic strategies, improving patient outcomes in rheumatologic practice.
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| # | Front | Back | Hint |
|---|---|---|---|
| 1 | What is vasculitis? | Vasculitis is inflammation of blood vessel walls, which can lead to vessel damage, occlusion, or rupture, affecting blood flow and causing tissue ischemia or hemorrhage. | Think of vasculitis as 'vessel inflammation.' |
| 2 | Name the primary pathological feature of vasculitis. | Inflammation of blood vessel walls, often involving infiltration by immune cells, leading to vessel wall damage. | Focus on 'inflammation' as the hallmark. |
| 3 | What are common clinical features of vasculitis? | Features include constitutional symptoms (fever, malaise), organ-specific signs (e.g., skin purpura, neuropathy, renal impairment), and systemic manifestations depending on the vessels involved. | Remember 'systemic signs + organ-specific symptoms.' |
| 4 | Which vasculitis primarily affects small vessels and often presents with palpable purpura? | Henoch-Schönlein Purpura (IgA vasculitis). | Think 'small vessels' and 'purpura'. |
| 5 | What is the hallmark histopathological feature of Giant Cell Arteritis? | Granulomatous inflammation with multinucleated giant cells in the arterial wall. | Associated with temporal artery biopsy findings. |
| 6 | Which vasculitis is characterized by necrotizing granulomatous inflammation involving the respiratory tract and kidneys? | Granulomatosis with polyangiitis (GPA), formerly Wegener's granulomatosis. | Think 'granulomas + necrosis + respiratory + kidneys.' |
| 7 | What is the primary antibody associated with microscopic polyangiitis? | Perinuclear anti-neutrophil cytoplasmic antibodies (p-ANCA), especially anti-MPO antibodies. | Focus on 'p-ANCA' and 'MPO'. |
| 8 | Which vasculitis predominantly involves medium-sized arteries and often causes aneurysms? | Polyarteritis nodosa (PAN). | Think 'medium arteries' and 'aneurysms.' |
| 9 | What are typical clinical features of Polyarteritis nodosa? | Fever, weight loss, hypertension, skin nodules, livedo reticularis, renal ischemia, and peripheral neuropathy. | Remember 'PAN' as 'Painful Arteries, Necrosis.' |
| 10 | Which vasculitis is associated with anti-neutrophil cytoplasmic antibodies (ANCA) and affects small to medium vessels? | Microscopic polyangiitis and granulomatosis with polyangiitis both are associated with ANCA positivity. | Recall 'ANCA-associated vasculitis.' |
| 11 | What distinguishes Churg-Strauss syndrome (Eosinophilic Granulomatosis with Polyangiitis) clinically? | Presence of eosinophilia, asthma, granulomatous inflammation, and vasculitis affecting small to medium vessels. | Think 'asthma + eosinophils.' |
| 12 | What is the primary treatment modality for most vasculitis syndromes? | High-dose corticosteroids, often combined with immunosuppressants like cyclophosphamide or rituximab depending on severity. | Steroids + immunosuppression. |
| 13 | Which vasculitis has a strong association with hepatitis B infection? | Polyarteritis nodosa (PAN). | Remember 'Hep B and PAN.' |
| 14 | How is giant cell arteritis typically diagnosed? | Clinical presentation (headache, jaw claudication), elevated ESR/CRP, and confirmed by temporal artery biopsy showing granulomatous inflammation. | Biopsy is the gold standard. |
| 15 | What is the main complication of untreated Takayasu arteritis? | Progressive arterial stenosis leading to limb ischemia, hypertension, or aortic aneurysm rupture. | Think 'large vessel' and 'blockages.' |
| 16 | Which vasculitis is characterized by segmental, skip lesions of medium and small arteries, leading to aneurysms? | Polyarteritis nodosa (PAN). | Segmental lesions + aneurysms. |
| 17 | What laboratory findings support a diagnosis of ANCA-associated vasculitis? | Positive p-ANCA (anti-MPO) or c-ANCA (anti-PR3), elevated ESR/CRP, and sometimes eosinophilia in Churg-Strauss. | Check ANCA patterns. |
| 18 | Name two key clinical features of Behçet's disease relevant to vasculitis. | Recurrent oral and genital ulcers, and uveitis; vasculitis can involve arteries and veins causing thrombosis and aneurysms. | Think 'ulcers + vascular involvement.' |
| 19 | What is the main difference in vessel size affected between Wegener’s (GPA) and Churg-Strauss syndromes? | GPA primarily affects small to medium vessels with granulomatous inflammation; Churg-Strauss involves small vessels with eosinophil-rich granulomas. | Granulomas + vessel size. |
| 20 | Which vasculitis is a classic example of a 'small vessel' vasculitis with palpable purpura and IgA deposition? | Henoch-Schönlein Purpura (IgA vasculitis). | Think 'IgA and purpura.' |
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