Blind Spot in the Radar of MEST-C Score: Type and Severity of Tubulointerstitial Nephritis in IgA Nephropathy

Figure 1

Severity of tubulointerstitial inflammation (periodic acid Schiff stain) and IgA immunofluorescence, 10x. Mild inflammation (a), moderate inflammation (b), severe inflammation (c), and IgA immunofluorescence, mesangial staining (d).

(a)

(b)

(c)

(d)