12 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... - systemic lupus ... purpura-arthralgia-nephritis ... dermatomyositis #Size #Classification ... #Diagnosis #Rheumatology
Renal Involvement in Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#Renal #diseases #SLE #Systemic #Lupus #Erythematosus #venn #nephrology
Lupusreference #Renal #diseases ... SLE #Systemic #Lupus ... venn #nephrology #nephritis ... #classification ... #types #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... ANCA-associated vasculitis ... Non-autoimmune rheumatologic ... • Mesenteric vasculitis ... Erythematosus #Diagnosis #Rheumatology
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
EM) Haematuria/nephritis ... • Lupus ISN/RPS ... Post-infectious GN ... • Membranous GN ... pathology #comparison #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis #rheumatology ... #classification
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... IgA nephropathy, lupus ... nephritis, cryoglobulinemia ... post-infectious GN ... Glomerulonephritis #RPGN #Classification
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... Autoimmunity: • -MM/WM: Vasculitis ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Association with disease ... nephritis. ... with auto-immune diseases ... erythematosus #diagnosis #rheumatology ... #table #ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... nephritis, NPSLE ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology #