IgG and IgA classes of anti-neutrophil cytoplasmic autoantibodies in a 13-year-old girl with recurrent Henoch-Schonlein purpura

Pediatr Nephrol. 1993 Apr;7(2):143-6. doi: 10.1007/BF00864379.

Abstract

We describe a 13-year-old girl with recurrent Henoch-Schonlein purpura whose symptoms were precipitated by upper respiratory tract infections. Her serum was positive for both IgG and IgA classes of anti-neutrophil cytoplasmic autoantibodies by immunofluorescence. The titers of both autoantibodies correlated with disease activity. The immunopathology underlying these findings is discussed.

Publication types

  • Case Reports
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Antibodies, Antineutrophil Cytoplasmic
  • Autoantibodies / analysis*
  • Biomarkers / analysis
  • Female
  • Fluorescent Antibody Technique
  • Humans
  • IgA Vasculitis / immunology*
  • IgA Vasculitis / pathology
  • Immunoglobulin A / analysis*
  • Immunoglobulin G / analysis*
  • Recurrence
  • Vasculitis / immunology

Substances

  • Antibodies, Antineutrophil Cytoplasmic
  • Autoantibodies
  • Biomarkers
  • Immunoglobulin A
  • Immunoglobulin G