Algumas mudanças de hábitos da população têm repercutido de forma importante em relação aos cuidados com animais de companhia. Nota-se uma maior aproximação proprietárioanimal, o que tem feito com que os cães e gatos sejam incorporados no âmbito familiar. Da mesma forma, a Medicina Veterinária vem se desenvolvendo nas mais diferentes áreas, e a oncologia veterinária vem se destacando com as novas abordagens. As neoplasias, de forma geral, exibem considerável variação em seu aspecto semiológico, clínico e histológico e por estas razões, as previsões de comportamento dos tumores e das respostas ao tratamento podem ser extremamente difíceis e subjetivas. O fato de os cães estarem atingindo a maior idade tem predisposto ao aparecimento destas enfermidades com maior frequência, sendo possível o estudo destas etiologias com maior detalhamento. Logo esta revisão busca aprofundar questões que se relacionam a geriatria canina e as consequências da maior idade dos cães com o aparecimento das neoplasias. Serão abordados os aspectos relevantes sobre a etiologia das neoplasias, as suas principais complicações e o manejo das mesmas considerando as novas terapias hoje adotadas, bem como a relação observada entre os proprietários e seus animais de companhia.
Prostatic carcinomas in are aggressive neoplasms and bone metastases may occur; however, hypertrophic osteopathy associated with that condition is poorly documented. A ten-year-old, neutered male, mixed breed dog had a history of lameness and volume increase in the left pelvic limb. On radiographic examination, a lytic bone mass was observed in the left metatarsus, as well as a diffuse proliferative periosteal reaction in several bones of the appendicular skeleton, in addition to radiopaque nodular structures in all lung lobes. A presumptive diagnosis of primary bone neoplasia with pulmonary metastases and hypertrophic osteopathy was established and chemotherapy treatment was started. However, there was no satisfactory clinical response, and euthanasia was ellected. At necropsy, there was moderate enlargement of the prostate gland. The gland was firm and whitish, with a multilobulated aspect. Several similar masses were observed in the right kidney, lungs, mediastinal lymph nodes, and multiple bones of the appendicular skeleton. These bones also presented evident diffuse periosteal reaction. Histological examination revealed a metastatic prostatic carcinoma with bone involvement and hypertrophic osteopathy. This report is an unusual case of metastatic prostatic carcinoma in association with hypertrophic osteopathy and concomitant bone metastases.
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