关键词: <, p>, 犬, 睾丸, 肿瘤, 病理学<, /p>

Abstract: Abstract: Objective To three kinds of primary testicular tumor pathology diagnosis and analysis，unique canine testicular primary tumor pathological characteristics，provide data for the diagnosis of primary testicular tumor．Method China Agricultural University National Animal TSE Lab collected from China Agricultural University animal hospital clinical cases of testicular neoplasm，from 2013 to 2015，a total of 35 cases，and made into slices，H． E． dye，according to the pathology diagnosis and differential diagnosis，comparison，tumor cells morphological characteristics，according to the histological characteristics identification of cell origin，summarize the main points three kinds of pathological features and differential diagnosis of the tumor． Ｒesult compare histopathological features of dog seminoma，sertoli cell tumor and interstitial cell tumor，summarize the clinical features of testicular tumors，for the diagnosis and differential diagnosis of this tumor in the future to provide effective information．Conclusion seminoma，sertoli cell tumor and interstitial cell tumor for common primary testicular tumor，common in older dogs，low incidence of malignant testicular tumors． Due to the different tumor cell source，presents different histopathological features．

Key words: <p>dogs, the testes, tumor, pathology</p>