Table 2.
Comparison of Small Intestine Neuroendocrine Tumor Patients with and without Mesenteric Tumor Deposits
| No MTD (n=29) | MTD (n=43) | Combined (n=72) | P-value | |
|---|---|---|---|---|
| Median age | 58 years | 60 years | 59 years | 0.324 |
| Gender | 0.533 | |||
| Male | 17 (59%) | 22 (51%) | 39 (54%) | |
| Female | 12 (41%) | 21 (49%) | 33 (46%) | |
| Median tumor size | 1.5 cm | 1.8 cm | 1.7 cm | 0.117 |
| T-category | 0.001 | |||
| pT1/pT2 | 12 (41%) | 4 (9%) | 16 (22%) | |
| pT3/pT4 | 17 (59%) | 39 (91%) | 56 (78%) | |
| Lymphovascular invasion | 0.001 | |||
| Absent | 11 (38%) | 3 (7%) | 14 (19%) | |
| Present | 18 (62%) | 40 (93%) | 58 (81%) | |
| Lymph node metastasis | 0.04 | |||
| Absent | 10 (34%) | 6 (14%) | 16 (22%) | |
| Present | 19 (66%) | 37 (86%) | 56 (78%) | |
| Number of primary tumors | 0.734 | |||
| One | 20 (69%) | 28 (65%) | 48 (67%) | |
| Multiple | 9 (31%) | 15 (35%) | 24 (33%) | |
| Liver metastasis at time of surgery | < 0.001 | |||
| No | 25 (86%) | 20 (47%) | 45 (62%) | |
| Yes | 4 (14%) | 23 (53%) | 27 (38%) | |
| Grade* | ||||
| Grade 1 | 20/24 (83%) | 26/37 (70%) | 46/61 (75%) | 0.247 |
| Grade 2 | 4/24 (17%) | 11/37 (30%) | 15/61 (25%) | |
*
As determined by World Health Organization criteria.