PMID: 152097Oct 1, 1978

Immune complex glomerulonephritis mediated by thyroid antigens

Archives of Pathology & Laboratory Medicine
S C JordanJ M Bergstein


Hypothyroidism, microscopic hematuria, and proteinuria developed in an 11-year-old girl. A renal biopsy specimen showed increased mesangial cells and matrix with focal glomerular basement membrane thickening. Three years later, a pronounced increase in proteinuria was detected. Elevated levels of antibody to thyroid microsomal antigen and thyroglobulin were found in the serum. A renal biopsy specimen showed a pronounced increase in mesangial cells and matrix with generalized glomerular basement membrane thickening. Electron microscopic studies demonstrated granular deposits in the capillary walls and mesangium. Immunofluorescent studies revealed granular deposits of IgG, IgM, and C3, primarily on the glomerular basement membrane. By indirect immunofluorescence, granular glomerular basement membrane and mesangial staining were detected with antibody specific for thyroglobulin and thyroid microsomal antigen. These observations suggest development of immune complex glomerulonephritis mediated by thyroid antigens.

Related Concepts

Immune complex
Basement Membrane
Bright Disease
Immune Complex Diseases
Kidney Glomerulus
Thyroid Gland

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