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Renal Involvement in Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#Renal #diseases #SLE #Systemic #Lupus #Erythematosus #venn #nephrology
Renal #diseases #SLE ... #Systemic #Lupus ... Erythematosus #venn #nephrology ... #nephritis #classification ... #types #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... • Arthritis domain ... low C4, Low C3 and ... #Criteria #SLE ... Erythematosus #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... Skin Disease Classification ... Non-autoimmune rheumatologic ... Kikuchi disease • Type-I
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
arthritis) • ... Types II and III ... (e.g. systemic lupus ... #classification ... #rheumatology #
Management of Lupus Nephritis
Lupus nephritis (LN) in 10 to 40% of SLE
Hallmark = proteinuria 20.5 g/g
in 10 to 40% of SLE ... severity (ISN/RPS classification ... by 12 months Classification ... treatment #management #rheumatology ... #nephrology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
IgA nephropathy, lupus ... post-infectious GN ... autoAb against type ... Glomerulonephritis #RPGN #Classification ... Differential #Diagnosis #Nephrology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Diseases • Septic arthritis ... joint • Systemic lupus ... Tests for All Types ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... LFT • ESR • ANA ... SLE) • Urinalysis ... differential #diagnosis #rheumatology ... #classification
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... IV RTA, TYPE I ... Membranoproliferative GN ... Arthritis Malignancy ... Sjogrens #Syndrome #Rheumatology