Đặc điểm bệnh lý khối u tuyến bã nhờn trên da của chó

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Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Khoa học kỹ thuật Thú y, 2019

Mô tả vật lý: tr.71

Bộ sưu tập: Báo, Tạp chí

ID: 312834

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Khối u tuyến bã nhờn là một dạng bệnh lý thường gặp trên da của chó. Nghiên cứu được tiến hành trên 5 con chó từ 7-14 năm tuổi được chẩn đoán mắc khối u tuyến bã nhờn trên da tại một số phòng khám thú y ở Hà Nội và Thành phố Hồ Chí Minh. Kết quả nghiên cứu cho thấy tại nhiều vị trí trên da, các khối u tuyến bã nhờn xuất hiện với kích thước từ 0,5 - 2,5 cm, có hiện tượng sưng, rụng lông, chảy máu. Kết quả kiểm tra mô bệnh học của các khối u tuyến bã nhờn cho thấy u tuyến bã nhờn thường gặp là dạng lành tính và u biểu mô tuyến bã dạng ác tính. Tế bào nhờn trưởng thành có tế bào chất rộng, nhạt màu ái toan, tăng sinh chiếm ưu thế trong u tuyến bã nhờn lành tính. Trong u biểu mô tuyến bã nhờn, các tế bào dạng đáy nhỏ, bắt màu ái kiềm chiếm ưu thế so với các tế bào nhờn và ống tuyến. Hiện tượng gián phân (Mitosis) thường xuất hiện trong khối u biểu mô tuyến bã ác tính. Kiểm tra vi thể phần rìa khối u tuyến bã cần được tiến hành để có thể đánh giá sự hoàn chỉnh trong phẫu thuật loại bỏ khối u cũng như hạn chế sự xuất hiện trở lại của khối u. Kết quả của nghiên cứu cung cấp các thông tin về đặc điểm lâm sàng, tổn thương đại thể và tổn thương vi thể của khối u tuyến bã nhờn của chó để phục vụ công tác chẩn đoán và điều trị.Sebaceous gland tumors commonly occurre in the skin of dogs. In the present study, these neoplasms were found in the skin of five dogs at 7 to 14 years old, in some veterinary clinics in Ha Noi and Ho Chi Minh City. The studied result showed that, the sebaceous gland tumors occurred at many sites on the dog skin with size ranging from 0.5 to 2.5 cm, swollen, hairless and hemorrhage. The result of examining histopathology of the sebaceous gland tumors indicated that the common types of canine sebaceous gland tumors was benign sebaceous adenoma and malignant sebaceous epithelioma. A preponderance of abundant pale eosinophilic mature sebocytes with fewer basaloid cells and ducts were observed in sebaceous adenoma, whereas a preponderance of small basophilic basaloid cells with fewer sebocytes was seen in sebaceous epithelioma. The mitotic phenomena was frequently found in malignant epithelioma type. Importantly, histological examination of the margins of sebaceous tumor need to be done so as to evaluate the completion in surgery, removing the tumors as well as limiting the reoccurrence of the tumors. The results of this study provide information on the clinical features, gross and histological lesions of the canine sebaceous gland tumors so as to serve for diagnosis and treatment.

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