2 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
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IgG4-Related Disease ... node), high serum IgG4 ... rheumatoid factor), ± hypocomplementemia ... #Related #Disease ... management #phenotypes #workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
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often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... (Granulomatous disease ... against MPO • Complement ... #rheumatology #classification