Table 2.
US features of the MTC and PTC
| Feature | MTC | PTC | P Value | |
|---|---|---|---|---|
| Position | 0.030 | |||
| Upper pole (%) | 59 (50.0) | 312 (61.06) | ||
| Lower pole (%) | 59(50.0) | 199 (38.94) | ||
| Composition | 0.000 | |||
| Solid (%) | 100 (84.75) | 499 (97.65) | ||
| Mixed (%) | 18(15.25) | 12 (2.35) | ||
| Echogenicity | 0.002 | |||
| Hyperechoic and isoechoic (%) | 5 (4.24) | 2 (0.39) | ||
| Marked hypoechoic and hypoechoic (%) | 113(95.76) | 509 (99.61) | ||
| Shape | 0.000 | |||
| Wide than tall (%) | 99(83.90) | 231 (45.21) | ||
| Tall than wide (%) | 19(16.10) | 280 (54.79) | ||
| Border | 0.000 | |||
| Clear (%) | 59(50.00) | 143 (27.98) | ||
| Obscure (%) | 59(50.00) | 368 (72.02) | ||
| Margin | 0.000 | |||
| Regular (%) | 29 (24.58) | 424 (82.97) | ||
| Irregular (%) | 89 (75.42) | 87 (17.03) | ||
| Microcalcification (less than 2 mm) | 0.002 | |||
| None (%) | 90 (76.27) | 312 (61.06) | ||
| Present (%) | 28(23.73) | 199 (38.94) | ||
| Microcalcification (less than 1 mm) | 0.000 | |||
| None (%) | 96(81.36) | 329(64.38) | ||
| Present (%) | 22(18.64) | 182(35.62) | ||
| Vascularization distribution | ||||
| External (%) | 107 (90.68) | 252 (49.32) | 0.000 | |
| Internal (%) | 11 (9.32) | 259 (50.68) | ||
| Vascularization degree | ||||
| None and low (%) | 48(40.68) | 377 (73.78) | 0.000 | |
| Medium and high (%) | 70(59.32) | 134 (26.22) |