Table 2.
Clinicopathological features of canine mammary neoplasms. For the age and the survival, the data are the mean values with the standard deviation in brackets. Benign mixed tumour (BMT), mixed carcinoma (MC), invasive micropapillary carcinoma (IMC), carcinosarcoma (CS), solid carcinoma (SC). N = number of cases. NA = not evaluated.
| Histological type | n | Age (year) | Staging (TNM) | Histological grades | Molecular subtype | Survival (days) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | I | II | III | HR+/ Ki67 < 20% |
HR+/ Ki67 > 20% |
HR+/- HER2+ | HR-/HER2- | ||||
| BMT | 15 | 10 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| MC | 14 | 11 | 7 | 3 | 4 | 0 | 0 | 11 | 2 | 1 | 13 | 1 | 0 | 0 | 1116.2 |
| CS | 6 | 8.5 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 6 | 2 | 4 | 0 | 0 | 321.8 |
| IMC | 16 | 10.8 | 0 | 1 | 2 | 10 | 3 | 2 | 9 | 5 | 1 | 7 | 3 | 5 | 293.9 |
| SC | 23 | 11.8 | 5 | 4 | 4 | 9 | 1 | 2 | 10 | 11 | 3 | 17 | 2 | 1 | 279.5 |
| Total | 74 | - | 12 | 8 | 14 | 19 | 6 | 15 | 21 | 23 | 19 | 29 | 5 | 6 | - |