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Table 2 Reasons for not choosing to perform a biopsy

From: Percutaneous needle biopsy for indeterminate renal masses: a national survey of UK consultant urologists

Reasons

%

False -ve results

87%

Will not alter management

58%

Tumour seeding

42%

Complications

27%

Pathologist's concern

24%

False +ve results

15%

Unavailability of uro-radiologists

6%