Table 2 Relationship between histological grading and tumour type together with number and percentage of cases in 15 dogs with mammary tumour
Histological type | Grade I | Grade II | Grade III | Total |
|---|---|---|---|---|
Cystic hyperplasia | 1(6.7%) | _ | _ | 1(6.7%) |
Solid adenocarcinoma | _ | _ | 1(6.7%) | 1(6.7%) |
Papillary adenocarcinoma | _ | 1(6.7%) | 1(6.7%) | 2(13.3%) |
Simple carcinoma | _ | _ | 1(6.7%) | 1(6.7%) |
Complex carcinoma | _ | 3(20%) | 2(13.3%) | 5(33.3%) |
Benign mixed tumour | 1(6.7%) | 1(6.7%) | _ | 2(13.3%) |
Malignant mixed tumor | _ | 1(6.7%) | 2(13.3%) | 3(20%) |
Total | 2(13.3%) | 6(40%) | 7(46.7%) | 15(100%) |