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Table 2 Summary of clinicopathologic features of cases with tumor seeding along the biopsy needle tract

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

Case Age (years) Sex RCC subtype Surgical procedure Tumor stagea Tumor size (cm) ISUP nucleolar grade Complete sampling Follow up
1 59 F PRCC, type 1 Partial nephrectomy pT1a 2.3 1 No 1 month, died of stroke
2 55 M PRCC, type 1 Partial nephrectomy pT1a 2.1 2 No 11 months, no recurrence
3 70 F PRCC, type 1 Partial nephrectomy pT1a 1.7 1 Yes 52 months, no recurrence
4 48 M PRCC, type 1 Partial nephrectomy pT1a 1.5 1 No 6 months, no recurrence
5 62 M PRCC, type 1 Partial nephrectomy pT1a 1.2 2 Yes 10 months, no recurrence
6 46 M PRCC, type 1 Partial nephrectomy pT1a 3.8 3 No 13 months, no recurrence; lost to follow up
  1. a Based on the 8th edition American Joint Committee on Cancer (AJCC) pTNM staging system; biopsy tract seeding not taken into consideration
  2. Abbreviations: RCC, renal cell carcinoma; PRCC, papillary renal cell carcinoma