12 results
Renal Involvement in Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#Renal #diseases #SLE #Systemic #Lupus #Erythematosus #venn #nephrology
Lupusreference #Renal #diseases ... SLE #Systemic #Lupus ... Erythematosus #venn #nephrology ... #nephritis #classification ... #types #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... IgA nephropathy, lupus ... post-infectious GN ... autoAb against type ... #RPGN #Classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... Complement: Post-strep GN ... , Lupus Nephritis ... involvement: Anti-GBM Disease ... diagnosis #algorithm #rheumatology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Chain deposition disease ... , type 1 (50%-80% ... S - Systemic Lupus ... Ann Marie Kumfer ... #differential #hematology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
binds to the lgE, cross-linking ... during hemolytic disease ... Post-streptococcal glomerulonephritis ... systemic lupus ... #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... Others: • Lupus ... such as systemic lupus ... differential #diagnosis #rheumatology ... #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... • Autoimmune diseases ... (e.g. systemic lupus ... #classification ... #rheumatology #
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... reaction, Haemolytic disease ... Post-streptococcal glomerulonephritis ... , Systemic lupus ... allergy #table #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Classification: ... Non-autoimmune rheumatologic ... • Type-I Interferonopathies ... Erythematosus #Diagnosis #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
IV RTA, TYPE I ... nephritis • Distal (Type ... acidosis • NAGMA • Glomerulonephritis ... Membranoproliferative GN ... Sjogrens #Syndrome #Rheumatology