Table 1.

Agreement of intraoperative frozen section according to histology

Final diagnosis	N	Concordant	Discordant	Deferred
Total	32	26 (81.2%)	3 (9.4%)	3(9.4%)
Wilms tumor	19 (59.4%)	17 (90%)	1 (5%)	1 (5%)
Renal cell carcinoma	3 (9.4%)	2 (67%)	1 (33%)	0 (0%)
Renal medullary carcinoma	1 (3.1%)	0 (0%)	1 (100%)	0 (0%)
Cystic nephroma	2 (6.3%)	2 (100%)	0 (0%)	0 (0%)
Congenital mesoblastic nephroma	2 (6.3%)	0 (0%)	0 (0%)	2 (100%)
Angiomyolipoma	1 (3.1%)	1 (100%)	0 (0%)	0 (0%)
Juxtaglomerular cell tumor	1 (3.1%)	1 (100%)	0 (0%)	0 (0%)
Cystic metanephric adenoma	1 (3.1%)	1 (100%)	0 (0%)	0 (0%)
Not otherwise specified benign renal tumor (localized cystic disease and pseudotumor)	2 (6.3%)	2 (100%)	0 (0%)	0 (0%)