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Melanoma em cabra leiteira / Melanoma in a dairy goat

Rizzo, Huber; Araújo, Carolina Akiko Sato Cabral de; Silva, Bruna Higino de Souza; Oliveira, Rhaysa Allayde Silva; Paiva, Thamirys Dias de Luna; Dias, Rômulo Freitas Francelino; Albuquerque, Pedro Paulo Feitosa de; Silva Júnior, Valdemiro Amaro da.
Acta sci. vet. (Online); 47(suppl.1): Pub. 453, 8 dez. 2019. ilus
Artigo em Português | VETINDEX | ID: vti-25647


Background: Skin neoplasms in goats, albeit less frequent than in equines and cattle, are no less important, given thatthe presence of melanoma is worrisome due to its local and metastatic aggressiveness, which leads to death, especially innortheastern Brazil, where ultraviolet (UV) radiation levels are high, being an important factor the development of thisneoplasia, especially in light-skinned animals. This report describes the clinical and pathological aspects, beyond the attempted surgical treatment a case of Saanen goat melanoma raised in Feira Nova, Pernambuco, Brazil.Case: A 4-year-old pregnant Saanen goat was treated at the AGA/UFRPE. The animal presented blackened fetid masseslocated on the lower lip and ventral region of the jaw that had grown for two months. In addition to the tumor, a physicalexamination revealed altered submandibular and left prescapular lymph nodes. Local anesthesia and sedation were applied and both neoplasms were excised. The goat was then medicated with anti-inflammatory and antibiotic drugs anddischarged. However, 45 days later, the goat returned with multiple nodules similar in appearance to the previous one andin a severe clinical condition, characterized by pale mucous membranes, dehydration, enophthalmia, bilateral nasal seroussecretion and enlargement of the lymph nodes mandibular, retro pharyngeal and right paratid, as well as slight respiratorysnores in the ventral portion of lungs and productive cough. Due to the unfavorable prognosis, the animal was euthanized.Macroscopic findings revealed multiple nodular, infiltrative and blackened lesions on the tongue, lung, kidneys and liver,enlarged and blackened lymph nodes, and sagittal section of the cervical spine identified a dark spot on the seventh thoracic vertebra. In the histological evaluation of necrotic lesions present in the skin, lung, liver and kidneys was observednodular...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1