Table 3.
Clinicopathologic characteristics of canine mammary carcinoma
| Quick score | N | P | ||
|---|---|---|---|---|
| < 12 | ≧12 | |||
| Age | ||||
| < 11 years | 13(81.3) | 3(18.7) | 16 | 1.000 |
| ≧11 years | 27(81.8) | 6(18.2) | 33 | |
| Ovariohysterectomy | ||||
| No | 31(83.8) | 6(16.2) | 37 | 0.580 |
| Yes | 10(76.9) | 3(23.1) | 13 | |
| Tumor Size | ||||
| T1 (< 3 cm) | 15(93.8) | 1(6.2) | 16 | 0.298 |
| T2 (3-5 cm) | 13(72.2) | 5(27.8) | 18 | |
| T3 (> 5 cm) | 11(84.6) | 2(15.4) | 13 | |
| Grade | ||||
| I | 13(92.9) | 1(7.1) | 14 | 0.199 |
| II/III | 27(77.1) | 8(22.9) | 35 | |
| Histological classification | ||||
| Carcinoma in benign tumor | 4(80.0) | 1(20.0) | 5 | 0.566 |
| Complex carcinoma | 17(89.5) | 2(10.5) | 19 | |
| Simple carcinoma | 20(76.9) | 6(23.1) | 26 | |
| Location of affected gland | ||||
| cranial | 13(76.5) | 4(23.5) | 17 | 0.566 |
| caudal | 25(83.3) | 5(16.7) | 30 | |
| ER | ||||
| Negative | 22(81.5) | 5(18.5) | 27 | 1.000 |
| Positive | 19(82.6) | 4(17.4) | 23 | |
| PR | ||||
| Negative | 2(100.0) | 0(0.0) | 2 | 1.000 |
| Positive | 39(81.3) | 9(18.7) | 48 | |
| HER2 Overexpression | ||||
| Negative | 35(83.3) | 7(16.7) | 42 | 0.574 |
| Positive | 6(75.0) | 2(25.0) | 8 | |
| ER with Quick score | ||||
| < 12 | 38(86.4) | 6(13.6) | 44 | 0.063 |
| ≧12 | 3(50.0) | 3(50.0) | 6 | |
1Tumor size measures maximum diameter