17.From immunofluorescence staining is performed, here with antibody to IgG, then a granular pattern of immunofluorescence is seen,indicative of deposition of immune complexes in the basement membranes of the glomerular capillary loops.

17.图示用IgG抗体进行免疫荧光染色可见沉积在肾小球血管球基底膜的免疫复合物。