Fig 10. Diffuse proliferative lupus nephritis (WHO Class IV) with deposits that also stain for IgA (same case as in Figure 9). Large, sausage-shaped capillary wall deposits with smooth outer contours, indicating subendothelial location, are present in addition to scattered granular capillary wall and mesangial deposits. The segmental nature of deposits is apparent. A similar staining pattern, but in less intensity, was present for IgM, C3, and much weaker for C4 (immunofluorescence with antisera to IgA; original magnification x400).

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From the Atlas of Renal Pathology
American Journal of Kidney Diseases, Volume 31, Issue 6

   1998 by the National Kidney Foundation, Inc.

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