Mammary Gland Anaplastic Carcinoma in a Male Dog

A 9 year-old, male, Rottweiler was presented with the complaint of abnormal growth inright thoracal mammary lobe. Clinically, thoracic papilla mamma was about 5×3 cm in size, and ostium papillare was ulcerative and infected. Radiography of the thorax revealed findings indicative of metastasis. Ultrasonographical examination revealed that mammary tissue had heterogeneous appearance and was surrounded by hyperechoic areas. The mastectomy of the mammary lobe was performed under general anesthesia. Histopathological examination revealed solid and papillary proliferations of glandular epithelia and a high mitotic activity. A diagnosis of anaplastic mammary carcinoma was made based on these findings. Anaplastic mammary gland carcinomas are rarely encountered in male dogs and one incident is reported in this case presentation.








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