Histopathological classification and incidence of canine mammary tumours

摘要

The present study aimed to classify different canine mammary tmnours based on WHO recommendations A total of 139 susnected spontaneous tumours were collected, out of which 128 were diagnosed as tumours The beninn tumours were identified as fibroadenoma (41.66%) ductalpapilloma(16.66%), benign malignant mammary, epithelial tumours included popillary adenocarcinama (25.96%) malignant mixed mammary tumour (25.96%) solid carcinomas (17.3 infiltrative adenocarcmoma (11.54%), malignant myoepithelioma (7.69%), squamous cell carcinama (2.88%) mucinous carcinomas (1.92%), intraductal carcinoma in situ (0.96%), whereas the connective tissues tumours were fibrosarcoma (2.88%) myxosarcoma (0.96 %) carcmosarcoma (0.96%) and osteochondrosarcoma (0.96%).