9 results
diagnosis rheumatology differential types algorithm allergy cryoglobulinemia cryoglobulins erythematosus gammopathy glomerulonephritis henochscholeinpurpura hsp huv hypersensitivity hypocomplementemic iga igg4 lupus management
Pathophysiology of Hypocomplementemic Urticarial Vasculitis C1q/anti-C1q antibiody -> Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... of Hypocomplementemic ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... #HUV #Pathophysiology
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
Vasculitis and Vasculitides ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
three primary pathophysiologic ... staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings - Infectious Agents - 50% have
IgA Vasculitis – ... Activation of complement ... Leukocytoclastic vasculitis ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology
Cryoglobulinemia Summary Cryoglobulins: • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... • IgA vasculitis ... • Vasculitis ... diagnosis #types #classification ... #rheumatology #vasculitis
Hypersensitivity Types and Their Mechanisms Type I - lgE - Soluble antigen - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... Hypersensitivity #Types #Classification ... #Pathophysiology
SLE (Systemic Lupus Erythematosus) Suspect: Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... ANCA-associated vasculitis ... • Mesenteric vasculitis ... RNP antibodies, Complement
IGG-4 RELATED DISEASE WHAT? • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
dysfunction PATHOPHYSIOLOGY ... aortitis, mimics vasculitis ... - ↑ IgE, ↓ complement ... • Classification
Monoclonal Gammopathy of Renal Significance (MGRS) MGRS • MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
guide subtype classification ... tubulopathy) - Complement ... formation causing vasculitis
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