Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops new:
• Proteinuria > 500 mg/d
• Nephritic urine sediment (dysmorphic RBCs, RBC casts, WBC casts) especially if combined with evidence of proteinuria
• Decreased kidney function (attributable to SLE)
→ Perform Kidney Biopsy
• Non-ProIiferative LN
• Proliferative LN
• Non-LN Kidney Disease (5%)
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