Abbreviation
RPGN: Rapidly progressive glomerulonephritis; anti-GBM: Anti-glomerular
basement membrane; ANA: Anti-nuclear antibodies; RF: Rheumatoid factor;
HIV: Human immunodeficiency virus; RPR: Rapid plasma reagin test; VDRL:
Venereal Disease Research Laboratory; GN: glomerulonephritis, MCD:
minimal change disease; FSGS: focal segmental glomerulosclerosis; MPGN:
membranoproliferative glomerulonephritis.