Table 1 Clinicopathologic characteristics of primary renal well-differentiated neuroendocrine tumors
Case | Age/sex | Location | Initial TNM stage | Tumor size (cm) | Metastasis at initial surgery | New metastasis during follow-up (progression free interval) | Follow-up status (period) |
|---|---|---|---|---|---|---|---|
1 | 54/F | Mid-kidney | Confined to the kidney | 3.8 | No | No | NED (11 yr. 11 mo) |
2 | 47/F | Mid-kidney | Confined to the kidney | 2.4 | No | No | NED (7 yr. 2 mo) |
3 | 60/F | Lower pole | Confined to the kidney | 1.3 | No | No | NED (6 yr. 4 mo) |
4 | 52/M | Mid-kidney | Extension renal sinus fat | 5.4 | Liver & lymph node | No | AWD (3 yr. 6 mo) |
5 | 59/M | Not stated | Confined to the kidney | 5.7 | No | Lymph node (60mo) | NED (17 yr. 1 mo) |
6 | 48/M | Lower pole | Confined to the kidney | 8.1 | Liver & bone | Liver & bone (3mo) | AWD (1 yr. 11 mo) |