Individualized renal mass biopsy strategy for Chinese patients with different subtypes and necrosis area

According to CT scan information, FNA and core biopsy give useful message accuracy rate. Fine-needle aspiration is complementary to core biopsy, which remains the gold standard of percutaneous sampling. Core renal biopsy can accurately define RCC histologic subtype. However, it does not seem to be able to detect high grade tumors. Tumor size does not seem to influence these results.