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Table 3 Summary of biopsy site and tumor seeding

From: Needle tract seeding in renal tumor biopsies: experience from a single institution

  Papillary renal cell carcinoma (PRCC) Clear cell renal cell carcinoma (CCRCC) Clear cell papillary renal cell carcinoma (CCPRCC) Chromophobe renal cell carcinoma (ChRCC)
n (%) Biopsy site,
n (%)
Tumor seeding,
n (%)
n (%) Biopsy site,
n (%)
Tumor seeding,
n (%)
n (%) Biopsy site,
n (%)
Tumor seeding,
n (%)
n (%) Biopsy site,
n (%)
Tumor seeding,
n (%)
Partial nephrectomy 19 (68 %) 9 (32 %) 6 (21 %) 43 (68 %) 0 (0 %) 0 (0 %) 1 (33 %) 0 (0 %) 0 (0 %) 4 (100 %) 0 (0 %) 0 (0 %)
Radical nephrectomy 9 (32 %) 0 (0 %) 0 (0 %) 20 (32 %) 2 (3 %) 0 (0 %) 2 (67 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %)
Entire samplinga 7 (25 %) 4 (14 %) 2 (7 %) 9 (14 %) 0 (0 %) 0 (0 %) 1 (17 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %)
Incomplete samplingb 21 (75 %) 5 (18 %) 4 (14 %) 54 (85 %) 2 (3 %) 0 (0 %) 2 (67 %) 0 (0 %) 0 (0 %) 4 (100 %) 0 (0 %) 0 (0 %)
  1. a refers to the specimens entirely submitted for microscopic examination
  2. b refers to the specimens with representative sections submitted for microscopic examination