Table 3.
Prevalence of CT characteristics between LNM-positive and -negative gastric cancers
| Characteristics | LNM-positive (n = 60) | LNM-negative (n = 45) | p-value |
|---|---|---|---|
| ctEMVI status | ＜0.001 | ||
| Positive | 49 (81.7) | 12 (26.7) | |
| Negative | 11 (18.3) | 33 (73.3) | |
| ctN status | ＜0.001 | ||
| Positive | 42 (70.0) | 13 (28.9) | |
| Negative | 18 (30.0) | 32 (71.1) | |
| Tumor location | 0.507 | ||
| Cardia | 13 (21.7) | 11 (24.4) | |
| Body | 21 (35.0) | 11 (24.4) | |
| Antrum | 26 (43.3) | 23 (51.1) | |
| Morphology | 0.213 | ||
| Focal | 50 (83.3) | 33 (73.3) | |
| Diffuse | 10 (16.7) | 12 (26.7) | |
| Tumor margin | 0.054 | ||
| Well-defined margin | 33 (55.0) | 33 (73.3) | |
| Poorly defined margin | 27 (45.0) | 12 (26.7) | |
| Tumor volume, mL | 40.77 ± 31.86 | 22.09 ± 17.03 | ＜0.001 |
| Degree of enhancement | |||
| Arterial phase | 0.023 | ||
| Low | 13 (21.7) | 21 (46.7) | |
| Moderate | 21 (35.0) | 12 (26.7) | |
| High | 26 (43.3) | 12 (26.7) | |
| Venous phase | 0.048 | ||
| Low | 8 (13.3) | 15 (33.3) | |
| Moderate | 16 (26.7) | 10 (22.2) | |
| High | 36 (60.0) | 20 (44.4) | |
| Dynamic enhancement pattern | 0.455 | ||
| Persistently low enhancement | 18 (30.0) | 20 (44.4) | |
| Progressively enhanced pattern | 22 (36.7) | 13 (28.9) | |
| Gradually attenuated pattern | 2 (3.3) | 2 (4.4) | |
| Persistently high enhancement | 18 (30.0) | 10 (22.2) |
LNM, lymph node metastasis; ctEMVI, CT-detected extramural venous invasion.
Data in parentheses are percentages.