Özet:

This study aimed to investigate the occurrence and histopathological features of neoplastic conditions in different species of animals that attending the Veterinary Teaching Hospital, College of Veterinary Medicine, University of Mosul. Samples had been collected from animals with variable neoplastic lesions. The results of this study showed that the total number of the excised tumours was 36, those were noticed in cattle 30.6%, sheep 22.2%, dog 10.4%, poultry 13.9%, cat 11.1%, and goat 2.8%. The tumours were diagnosed as squamous cell carcinoma 22.22%, fibroma 19.44%, adenoma 13.89%, pulmonary adenomatosis and fibrosarcoma 11.11%, leucosis and lymphoma 8.33%, thymoma, and transmissible venereal tumour 2.78%. We concluded from the current study occurrence a different type of tumours which was malignant or benign in different species of animals.

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