Table 5.
Ductoscopic Appearance of malignant lesions
| Characteristics of malignant tumors | P value | |||
|---|---|---|---|---|
| DCIS | IDC | |||
| Age | ≦40 years old | 1 | 1 | 0.667 |
| > 40 years old | 3 | 5 | ||
| Spontaneous | Spontaneous | 4 | 5 | 0.600 |
| Non-spontaneous | 0 | 1 | ||
| Bloody | Bloody | 4 | 6 | 0.317 |
| Non-bloody | 0 | 0 | ||
| depth | ≦3 cm | 4 | 5 | 0.600 |
| >3 cm | 0 | 1 | ||
| Quadrant | upper outer | 1 | 3 | 1.000 |
| upper inner | 1 | 0 | ||
| Lower outer | 0 | 2 | ||
| Lower inner | 1 | 0 | ||
| Behind nipple | 1 | 1 | ||
| Morphology | round | 0 | 1 | 1.000 |
| irregular | 2 | 3 | ||
| strawberry | 1 | 2 | ||
| stiffness | 1 | 0 | ||
| Hemorrhage | Less or no | 3 | 4 | 0.667 |
| more | 1 | 2 | ||
| Lesion base | narrow | 1 | 1 | 0.667 |
| broad | 3 | 5 | ||
| Diameter | ≦1.0 cm | 4 | 1 | 0.024 |
| >1.0 cm | 0 | 5 | ||
| ER | +/++ | 3 | 4 | 0.667 |
| - | 1 | 2 | ||
| PR | +/++ | 3 | 4 | 0.667 |
| - | 1 | 2 | ||
| HER-2 | + | 0 | 1 | 0.600 |
| - | 4 | 5 | ||