tailieunhanh - Báo cáo thú y: ": Cases with manifestation of chemodectoma diagnosed in dogs in Department of Internal Diseases with Horses, Dogs and Cats Clinic, Veterinary Medicine Faculty, University of Environmental and Life Sciences, Wroclaw, Poland"

Tuyển tập các báo cáo nghiên cứu về bệnh học thý y được đăng trên tạp chí Acta Veterinaria Scandinavica cung cấp cho các bạn kiến thức về bệnh thú y đề tài: Cases with manifestation of chemodectoma diagnosed in dogs in Department of Internal Diseases with Horses, Dogs and Cats Clinic, Veterinary Medicine Faculty, University of Environmental and Life Sciences, Wroclaw, Poland. | Noszczyk-Nowak et al. Acta Veterinaria Scandinavica 2010 52 35 http content 52 1 35 AVS ACTAVETERINARIA Scatand n SCANDINAVICA CASE STUDY Open Access Cases with manifestation of chemodectoma diagnosed in dogs in Department of Internal Diseases with Horses Dogs and Cats Clinic Veterinary Medicine Faculty University of Environmental and Life Sciences Wroclaw Poland Agnieszka Noszczyk-Nowak 1 Marcin Nowak2 Urszula Paslawska1 Wojciech Atamaniuk3 and Jozef Nicpon Abstract In the period of 3 years 9 tumours of chemodectoma were supravitally diagnosed and histopathologically verified in dogs. In this period 15 351 dogs were admitted to the Clinic of Dogs and Cats and 2 145 dogs were examined in the cardiological outpatient clinic for dogs. This tumour is located in a typical place - at the base of the heart. Most frequently the tumour manifested in older boxers. Only in one case such a tumour was diagnosed in another breed of dogs. The tumours ranged in size between 3 and 16 cm in diameter. The principal sign accompanying tumours of cardiac base involved dyspnoea but in 3 cases the tumours yielded no clinical signs. All the diagnoses were additionally verified using immunohistochemical examination. We used antibodies to chromogranin A clone DAK-A3 1 100 synaptophysin clone SY38 1 20 and neuron-specific enolase clone BBS NC VI-H14 1 150 . An immunohistochemical examination is vital for the diagnosis since it allows to differentiate histologically distinct types of neoplasia which may locate in the same site and may manifest a similar histological pattern. Introduction Chemodectomas s. paragangliomas represent tumours derived from chemoreceptor cells originating most frequently from aortic body or carotid glomus 1 . The site of their origin may involve also the tympanic cavity and inferior vagal ganglion. In animals the tumours manifest most frequently in the form of a single tumour located at the base of the heart. Less frequently they form .

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