Diagnostic Accuracy of Direct Immunofluorescence Test on Paraffin-Embedded Blocks in Comparison with Frozen Section Blocks in Renal Biopsies

Table 8

The results of IgG, IgA, IgM, and C3 immunofluorescence on frozen and paraffin-embedded sections in 26 cases of membranous glomerulopathy (MGN).

	Number of cases with the fluorescence of
	IgG	IgA	IgM	C3
IF-F	26	1	2	14
IF-P	26	2	1	6
Positivity agreement (%)	100%	50%	50%	42.8%