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16 Cards in this Set
- Front
- Back
two vasculitides affecting larger vessels? |
takayasu
GCA |
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wegener's granulomatosis def
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primary granulomatous vasculitis of unknown aetiology which affects small vessels predominantly
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wegener's clinical features
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pattern: URTI, lungs, renal
URTI: necrotising vasculitis upper respiratory tract (epistaxis) lungs: haemoptysis renal |
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wegener's diagnosis
(diagnostic test, helpful test, appearances on CXR) |
diagnostic: biopsy of affected organ (best renal or skin)
helpful: cANCA positive, CXR (migratory pattern nodules, cavities, infiltrates) |
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wegener's treatment
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mainstay: IV methylprednisolon and cyclophosphamide
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Polymyalgia rheumatica def
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PMR is an inflammatory condition of the muscle causing sudden onset of pain or stiffness
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Polymyalgia rheumatica clinical features
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eldery (always >50) usually F 70yr
sudden onset severe pain and stiffness of shoulders, neck and hips and lumbar spine. ("limb girdle pattern") systemic features: fever, tiredness, depression, nocturnal sweats |
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PMR diagnosis
(diagnostic, helpful) |
diagnostic: no diagnostic test
clinical features + high ESR/CRP temporal biopsy may show GCA but not necessary normally for diagnosis. |
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PMR treatment and prognosis
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steroids over 1-2 years
NSAIDs not helpful |
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Giant cell arteritis/temporal arteritis def
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Inflammatory granulomatous arteritis of large arteries which occurs in association with PMR
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GCA - clinical features
(epidemology, classical features and signs, associated disease) |
>50
severe headache scalp tenderness ("pain when combing hair") claudicatin of jaw tender swelling of temporal or occipital arteries VISUAL LOSS systemic features: fever, tiredness 50% have PMR |
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GCA - diagnosis
(diagnostic, helpful) |
diagnostic: 3 out of 5 (American college rheumatology)
1. age >50 2. new headache 3. temp. artery abnormality (tenderness, pulselessness) 4. very high ESR (>50) 5. positive temporal artery biopsy |
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GCA histological features
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intimal hypertrophy
inflammation of intima, subintima, breaking up internal elastic lamina, giant cells, lymphocytes, plasma cells in internal elastic lamina |
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GCA management
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if any visual loss or severe headache, presumptive clinical dx and immediate high dose steroids
biopsy within 1 week to confirm high dose steroids: 60-100mg prednisolone/day (divided doses) tapering dose according to ESR Ca+VitD!!! NSAIDs NOT USEFUL. AVOID |
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Takayasu arteriits def
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Takayasu arteritis is a granulomatous inflammation of the aorta and its branches
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Takayasu clinical features
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female, japanese
"pulsless disease" symptoms of vessel obstruction (heart, TIAs, peripheral arteries) with tenderness over affected arteries systemic features: fever, malaise |