tailieunhanh - Báo cáo khoa học: "Mediastinal lymphoma in a young Turkish Angora cat"

Tuyển tập các báo cáo nghiên cứu khoa học quốc tế về bệnh thú y đề tài: Mediastinal lymphoma in a young Turkish Angora cat | J. Vet. Sá. 2006 7 2 199-201 JOURNAL OF Case Report Veterinary Science Mediastinal lymphoma in a young Turkish Angora cat Kyoung-Won Seo1 Ul-Soo Choi2 Bo-Kyoung Bae2 Mi-Sun Park3 Cheol-Yong Hwang Dae-Yong Kim3 Hwa-Young Youn1 1 Department o f Veterinary Internal Medicine 1 Department o f Veterinary Clinical Pathology and Department o f Veterinary Pathology College of Veterinary Medicine. Seoul National University. Seoul 151-742 Korea An 8-month old intact male Turkish Angora cat was referred to the Veterinary Medical Teaching Hospital VMTH Seoul National University for an evaluation of anorexia and severe dyspnea. The thoracic radiographs revealed significant pleural effusion. A cytology evaluation of the pleural fluid strongly suggested a lymphoma containing variable sized lymphocytes with frequent mitotic figures and prominent nucleoli. The feline leukemia virus and feline immunodeficiency virus tests were negative. The cat was euthanized at his owner s request and a necropsy was performed. A mass was detected on the mediastinum and lung lobes. A histopathology evaluation confirmed the mass to be a lymphoma. Immunohistochemistry revealed the mass to be CD3 positive. In conclusion the cat was diagnosed as a T-cell mediastinal lymphoma. Key words feline inununohistochemistry mediastinal lymphoma T-cell Turkish Angora cat Mediastinal lymphoma is most often presents as being the characteristic form of the disease in cats. 1 . The mediastinal form involves the thymus mediastinal and sternal lymph nodes. Prior to 1980. this disease was reported to be a common type of lymphoma accounting for 20 to 40 of cases in the United States 6 10 to 50 of cases in the United Kingdom and 70 of cases in Japan 9 . However recent studies have found a much lower prevalence for feline mediastinal lymphoma 15 of cases in the United States 10 and approximately 25 of cases in Australia. Previous studies reported that 73 of cats with mediastinal lymphoma test positive to the feline .