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43 Cards in this Set
- Front
- Back
What size vessels does polyarteritis nodosa involve?
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medium sized vessels
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What infection is associated with polyarteritis nodosa?
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Hepatitis B
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What age/gender patients are typically affected with polyarteritis nodosa?
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Middle-aged men.
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What are the key microscopic pathologic findings in polyarteritis nodosa?
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immunoglobulin and complement deposits in the walls of involved vessels
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What body systems are typically involved with polyarteritis nodosa?
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Renal, cardiac, GI, pulmonary, neurologic, cutaneous, musculoskeletal, ocular, genitourinary (anything that can have medium size vessel occlusion)
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What are typical angiographic finidings of polyarteritis nodosa?
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fine arborization of visceral vasculature, corkscrewing and wall irregularities, microaneurysms of medium sized vessels
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What are treatment options for polyarteritis nodosa?
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ORAL STEROIDS! cytotoxic drugs (cyclophosphamide, chlroambucil, azathioprine, methotrexate, cyclosporine)
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What is the prognosis for untreated polyarteritis nodosa?
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Potentially fatal.
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What is the hallmark immunologic feature of microscopic polyangiitis?
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anti-myeloperoxidase antibodies (p-ANCA)
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What types of blood vessels are affected by microscopic polyangiitis?
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small vessels--arterioles, venules, capillaries
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What age/gender patient is usually affected by microscopic polyangiitis?
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Average age=50, male 2:1 female
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What organ systems are affected by microscopic polyangiitis?
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Renal, pulmonary, musculoskeletal, cutaneous, GI, ocular.
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Biopsy findings in microscopic polyangiitis?
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necrotizing vasculitis with few or no immune deposits
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What skin finding is most common in microscopic polyangiitis?
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palpable purpura
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Treatment for microscopic polyangiitis?
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high dose steroids and cytotoxic agents (usually cyclophosphamide)
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What is the major immunologic finding in Wegener's granulomatosis?
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positive c-ANCA due to antiserine protease 3 antibodies
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What age/gender patient is usually affected by Wegener's granulomatosis?
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Men=women; adults of any age.
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What organ is the most commonly affected in Wegener's granulomatosis?
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Upper airway (90%).
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What size vessels are affected in Wegeners' granulomatosis?
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Small and medium
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What organ systems are affected in Wegeners' granulomatosis?
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RESPIRATORY (upper and lower)!!!! renal, musculoskeletal, cutaneous, neurologic, GI, cardiac, GU
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What are 2 key physical exam findings of Wegener's granulomatosis?
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Saddle-nose deformity (necrosis of nasal cartilage), perforation of nasal septum.
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What is the key renal pathologic finding in Wegener's?
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pauci-immune glomerulonephritis (80%)
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What radiologic findings can you see on CXR in Wegener's?
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pulmonary infiltrates, pulmonary nodules
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What are some typical cutaneous manifestations of wegener's?
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palpable purpura, cutaneous ulcers, pyoderma gangrnosum, raynaud's
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Prognosis of untreated wegener's?
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Uniformly fatal (18% 12 month survival)
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What is the key immunologic finding in Churg-Strauss syndrome?
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p-ANCA against antimyeloperoxidase
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Cardinal features of Churg-Strauss Syndrome?
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Asthma, allergic rhinitis, fever, hypereosinophilia, systemic vasculitis.
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Who does Churg-Strauss Syndrome affect?
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Men 2:1 Women, adults
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What organ system is primarily involved in CSS?
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Pulmonary!!!!
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What are key lab findings in CSS?
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increased IgE, eosinophilia, pANCA
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Red flag for CSS
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Adult-onset asthma
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Most common neurologic manifestation of CSS
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ischemic optic neuritis
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What size vessels are affected by CSS?
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Small
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What is the old name for Giant-cell arteritis?
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Temporal arteritis
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What size vessels are affected by giant-cell arteritis?
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large
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What is the most common form of systemic vasculitis?
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Giant cell arteritis
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What is the prognosis of Giant cell arteritis?
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Good. Typically self limited.
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What age/gender is typically affected by giant cell arteritis?
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Female 2:1 Male
>50 years old |
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Biopsy findings in giant cell arteritis?
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mononuclear cell cell infiltration, giant cell formation, intimal thickening of large vessels
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Treatment for giant cell arteritis?
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steroids
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Major findings in Takayasu's arteritis?
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granulomatous inflammation of the aorta and its major branches
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What age/gender is typically affected in Takayasu's arteritis?
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Women of childbearing years, particularly of Asian ancestry
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What size vessels are typically involved in Takayasu's arteritis?
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Large.
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