Figure 1From: Familial Mediterranean fever, Inflammation and Nephrotic Syndrome: Fibrillary Glomerulopathy and the M680I Missense Mutation Renal biopsy (Light Microscopy). Light microscopy image of a glomerulus demonstrating negative staining for both Congo-red and thioflavin-T. Expansion of the mesangium with increased hyalinization of the basement membrane (arrow) and thickening capillary loops is present.Back to article page