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Table 2 Semi-quantitative immunohistochemical staining for MDR1 stratified by tumor type

From: Correlation of 99mTc-sestamibi uptake in renal masses with mitochondrial content and multi-drug resistance pump expression

 

MDR1 staining

Tumor type

0

1+

2+

3+

Clear cell RCC

1 (4%)

7 (27%)

8 (31%)

10 (38%)

Papillary RCC

0 (0%)

0 (0%)

4 (50%)

4 (50%)

Clear cell papillary RCC

0 (0%)

1 (50%)

0 (0%)

1 (50%)

Chromophobe RCC

3 (75%)

1 (25%)

0 (0%)

0 (0%)

Oncocytoma

1 (17%)

4 (67%)

0 (0%)

1 (17%)

HOCT

1 (50%)

1 (50%)

0 (0%)

0 (0%)