From: Clinical outcomes of endoscopic mucosal resection for rectal neuroendocrine tumor
Variables | H-CR (n = 206) (n, %) | H-IR (n = 71) (n, %) | p value |
---|---|---|---|
Age, median(range), years | 50.0 (26–79) | 52.7 (26–73) | 0.33 |
Gender, male | 123 (59.7%) | 47 (66.2%) | 0.333 |
Endoscopic appearance | Â | Â | 0.489 |
 Polyp | 15 (7.3%) | 7 (9.9%) |  |
 Submucosal tumor | 191 (92.7%) | 64 (90.1%) |  |
Distance from anal verge, median, cm | 6.3 (1–16) | 6.0 (1–15) | 0.852 |
Tumor size, median, mm | 4.7 (1–22) | 5.7 (2–12) | 0.009 |
En-bloc resection | 205 (99.5%) | 69 (97.2%) | 0.162 |
Lymphovascular invasion | Â | Â | 0.215 |
 Yes | 10 (4.9%) | 4 (5.6%) |  |
 No | 180 (87.4%) | 57 (80.3%) |  |
 Indeterminate | 15 (7.7%) | 10 (14.1%) |  |
Grade | Â | Â | 0.668 |
 Gr1 | 185 (89.8%) | 61 (85.9%) |  |
 Gr2 | 2 (1.0%) | 1 (1.4%) |  |
 Not described | 19 (9.2%) | 9 (12.7%) |  |
Mitotic count | Â | Â | N/A |
 <  1/10 | 148 (94.3%) | 54 (100.0%) |  |
 ≥ 1/10 | 9 (5.7%) | 0 (0.0%) |  |
Presence of synchronous rectal NETs | 1 (0.5%) | 2 (2.8%) | 0.162 |