Table 3 Pathological results
From: A single-center experience with pancreatic cystic neuroendocrine tumors
Variables | All (n = 106) | C-PNETs (n = 12) | M-PNETs (n = 21) | S-PNETs (n = 73) | P value (C Vs S) | P value (C Vs M) | P value (M Vs S) |
|---|---|---|---|---|---|---|---|
Tumor height (mm), median [min-max] | 27 [2-140] | 26 [8-60] | 30 [6-110] | 27.5 [2-140] | Ns | Ns | Ns |
WHO classification | Â | Â | Â | Â | Â | Â | Â |
 Grade 1 (%) | 33 (31.1) | 9 (75.0) | 9 (42.9) | 15 (20.5) | 0.002 | Ns | Ns |
 Grade 2 (%) | 52 (49.1) | 3 (25.0) | 9 (42.9) | 40 (54.8) | Ns | Ns | Ns |
 Grade 3 (%) | 10 (9.4) | 0 | 2 (9.5) | 8 (11) | Ns | Ns | Ns |
 Missing data (%) | 11 (10.4) | 0 | 1 (4.8) | 10 (13.7) | Ns | Ns | Ns |
Ki67/MIB, Median [Min - Max] | 5 [0-95] | 2 [1-5] | 3.5 [1-90] | 5 [0-95] | 0.003 | Ns | Ns |
T status (pTNM) | Â | Â | Â | Â | Â | Â | Â |
 T1 (%) | 13 (12.3) | 2 (16.7) | 2 (9.5) | 2 (2.8) | Ns | Ns | Ns |
 T2 (%) | 29 (27.4) | 7 (58.3) | 9 (42.9) | 13 (17.8) | 0.006 | Ns | Ns |
 T3 (%) | 39 (36.8) | 1 (8.3) | 2 (9.5) | 36 (49.3) | Ns | Ns | Ns |
 T4 (%) | 10 (9.4) | 0 | 2 (9.5) | 8 (11) | Ns | Ns | Ns |
 Missing values due to enucleation (%) | 15 (14.2) | 2 (16.7) | 6 (28.6) | 7 (9.6) | Ns | Ns | Ns |
Lymph node involvement | Â | Â | Â | Â | Â | Â | Â |
 N0 (%) | 38 (35.8) | 2 (16.7) | 10 (47.6) | 26 (35.6) | 0.001 | 0.036 | Ns |
 N1 (%) | 35 (33) | 1 (8.3) | 5 (23.8) | 29 (39.7) | 0.049 | Ns | Ns |
 NX (%) | 33 (31.1) | 9 (75) | 6 (28.6) | 18 (24.7) | 0.001 | 0.014 | Ns |
Lymph nodes analyzed, Median [min-max] | 5 [0-34] | 0 [0-11] | 6 [0-26] | 7 [0-34] | 0.003 | 0.028 | Ns |
R0 resection (%) | 101 (96.2) | 12 (100) | 21 (100) | 68 (93.2) | Ns | Ns | Ns |
Vascular invasion (%) | 21 (19.8) | 2 (16.7) | 4 (19) | 15 (20.5) | Ns | Ns | Ns |