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Table 4 Renal tumor biopsy techniques in pT1a papillary renal cell carcinoma cases with and without tumor seeding

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

Case Biopsy needle size (gauge) Coaxial sheath technique Number of passes Tumor seeding
1 18 No 2 Yes
2 18 Yes 4 Yes
3 18 Yes 3 Yes
4 18 Yes 5 Yes
5 18 Yes 6 Yes
6 18 No 2 Yes
7 18 Yes 3 No
8 18 Yes 3 No
9 20 Yes 6 No
10 18 No 4 No
11 20 No 6 No
12 18 No 3 No
13 18 No 3 No
14 20 Yes 4 No