7 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive ... staining): • Low Complement ... RPGN #Rapidly #Progressive ... #Vasculitis #differential ... #diagnosis #algorithm
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Diagnosis #IM ... #Rheum #Vasculitis ... #Vessel #Size #Classification ... #Differential #Algorithm
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
hemorrhage + rapidly progressive ... glomerulonephritis ... ANCA Associated Vasculitis ... anti-GBM) 10%: - Low Complement ... - Normal Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
proteinuria, rapidly progressing ... - Necrotizing glomerulonephritis ... • Glomerulonephritis ... against MPO • Complement ... #rheumatology #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... • Low serum C4 complement ... • IgA vasculitis ... • Vasculitis ... diagnosis #types #classification
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
inflammation -> progressive ... 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 ... function and prevent progression