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Presença de Leishmania sp. e Dirofilaria immitis em / Tumor Venéreo Transmissível Canino cutâneo / Presence of Leishmania sp. and Dirofilaria immitis in Cutaneous Canine Transmissible Venereal Tumor

Rodrigues, Ramon Tadeu Galvão Alves; Borges, Olivia Maria Moreira; Dantas, Alinne Káttia Fernandes Pereira; Tôrres, Leonardo Mendes; Lucena, Rossandra dos Santos; Souza, Almir Pereira de.
Acta sci. vet. (Online); 47(suppl.1): Pub. 399, July 5, 2019. ilus
Artigo em Português | VETINDEX | ID: vti-21120

Resumo

Background: Canine Transmissible Venereal Tumor (CTVT) is a neoplasm transmitted by implantation of its cells into genitaland extragenital organs, while Heartworm and Visceral Leishmaniasis are zoonosis transmitted by hematophagous insectsthat are often underdiagnosed in asymptomatic animals. Coinfection by the agents of these parasitosis is well documented,however, the association of both diseases with the CTVT is still unusual. Thus, it was aimed to report a case of incidentalidentification of microfilariae of D. immitis and amastigotes forms of Leishmania sp. in cutaneous CTVT by cytology in anasymptomatic dog for the parasitosis.Case: A 6-year-old, male, mongrel, sexually intact dog from the city of Patos, Paraiba, Brazil, was presented with a cutaneouscircumscribed tumoral lesion in a region adjacent to the right olecranon, with an ulcerated surface of reddish color, havingareas of necrosis inside and larvae (myiasis), draining bloody secretion. The material was collected for cytological analysis,which proved to be Canine Transmissible Venereal Tumor (CTVT) with the presence of amastigote forms of Leishmania sp.and microfilariae of D. immitis among neoplastic cells. Blood count, serum urea, creatinine and albumin, ALT, AST, FA,CK, Na+, K+, Ca++, CK-MB, Troponin I (cTnI), Snap 4Dx Plus (Idexx®), Snap Leishmania (Idexx®), and Knotts test wereperformed, plus chest radiography, blood pressure measurements and electrocardiogram (ECG). The alterations found corresponded to normochromic normocytic anemia, thrombocytopenia, hypoalbuminemia, microfilariae in the Knott test, increaseof CK, CK-MB and cTnI, positivity for Erlichia sp., Anaplasma sp., Leishmania sp. and Dirofilaria immitis. Furthermorecardiomegaly on radiographs and sinus arrhythmia associated with atrioventricular block (AVB) of the first degree on theECG. Euthanasia was performed after necropsy, in which adult worms were...(AU)
Biblioteca responsável: BR68.1