Resumo

ROSCIANI, A.S.; MERLO, W.A.; INSFRAN, R.M  e  RODRIGUEZ, Y.N.. Valor pronóstico de la última clasificación histológica de tumores mamarios caninos. Rev. vet. [online]. 2015, vol.26, n.2, pp.99-102. ISSN 1669-6840.

This classification, proposed by the American College of Veterinary Pathologist´s Oncology Comittee and Word Small Animal Veterinary Association, was assessed by comparing the malignancy grade of each tumor and patient´s survival. Fifty bitches with spontaneous mammary neoplasms were clinically followed during 18 month after mastectomy to determine Kaplan-Meier survival curves. The studied neoplasms were diagnosed as carcinomas of the following varieties: tubular (4), tubulopapillary (8), micropapillary invasive (1), anaplastic (1), complex type (17), mixed type (15) and carcinoma and malignant myoepithelioma (4). Histological graduation showed 19 cases of grade I, 29 cases of grade II, with only 2 cases diagnosed as grade III. Considering the results, a complete correlation between each variety of this classification and a specific evolution is not possible with current information

Palavras-chave : dog; mammary neoplasms; histopathological diagnosis; predictive value.

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