7 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Complex Formation - Complement ... Pathway Activation ... Formation -> Vasculitis ... #HUV #Pathophysiology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Through 2 Different Pathways ... Types: • Type ... • Low serum C4 complement ... • Vasculitis ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... #Classification ... #Pathophysiology ... Diagnosis #Reactions #Table
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
or alternative complement ... pathways. ... for ANCA-related vasculitis ... cryoglobulinemias (types
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
or alternative complement ... pathways. 6) SPEP ... for ANCA-related vasculitis ... cryoglobulinemias (types
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
dysfunction PATHOPHYSIOLOGY ... • Pancreas: Type ... 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 ... pathway activation ... formation causing vasculitis ... Types of MGRS-Associated