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Registros recuperados: 15
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Cardiac rhabdomyoma in a slaughtered pig Ciência Rural
Pereira,Paula Reis; Cruz,Raquel Aparecida Sales da; Jühlich,Luciane Maria; Sonne,Luciana; Barcellos,David Emílio Santos Neves de; Driemeier,David.
ABSTRACT: Rhabdomyoma is a rare neoplasm of striated muscle that occurs predominantly in the myocardium. In animals, cardiac rhabdomyoma are observed as incidental lesions in slaughter pigs and have been rarely described in other species, such as cattle, dogs, and deer. This report describes a case of cardiac rhabdomyoma in a male pig at slaughter age that died suddenly in the pre-slaughter period. At necropsy, multiple nodules were observed in the right and left ventricular walls and the interventricular septum. Histopathological examination showed neoplastic proliferation composed of polyhedral cells, with vacuolated cytoplasm that sometimes presented a “spider cell” appearance. Histochemical staining with Schiff’s periodic acid revealed glycogen...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pig; Cardiac tumor; Glycogen; Spider cell; Immunohistochemistry.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018001000553
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Equine nasopharyngeal cryptococcoma due to Cryptococcus gattii Ciência Rural
Cruz,Raquel Aparecida Sales da; Reis,Matheus de Oliveira; Leite Filho,Ronaldo Viana; Gonçalves,Maiara Aline; Spanamberg,Andréia; Sonne,Luciana; Ferreiro,Laerte; Pavarini,Saulo Petinatti; Driemeier,David.
ABSTRACT: Cryptococcus gattii is often associated with pulmonary and systemic infections in humans and animals. In this research we report a case of nasopharyngeal cryptococoma caused by C. gatti in an equine. A 10-year-old mare presented a mass obstructing the oropharynx. Macroscopically the mass was asymmetric, and was attached to the ethmoidal sinuses and obstructed the oropharynx. Histopathological examination of the mass revealed multiple yeast cells ranging from spherical to oval, 4-8μm in diameter, with some of them showing narrow base polar budding. Cryptococcus gattii growth in mycological culture (Sabouraud Dextrose Agar) and was L-canavanine-glycine-bromothymol blue Agar positive. The molecular identification confirmed the isolate as C. gattii...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mycotic diseases; Crytococcosis; Equine; PCR; Cryptococcus gattii.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001000551
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Fibrinous pleuropneumonia caused by Pasteurella multocida associated with bovine lymphoma Ciência Rural
Siqueira,Franciele Maboni; Bianchi,Matheus Viezzer; Mello,Lauren Santos de; Lorenzett,Marina Paula; Sonne,Luciana; Snell,Gustavo Geraldo; Pavarini,Saulo Petinatti; Driemeier,David.
ABSTRACT: In this work, we describe an unusual case of fibrinous pleuropneumonia caused by Pasteurella multocida associated with generalized lymphadenomegaly in a bovine. The animal had a one-month history of generalized superficial lymphadenomegaly that progressed to anorexia and submandibular oedema, resulting in spontaneous death. At necropsy, the parenchyma of the lymph nodes and multiple organs was obliterated by a dense proliferation of round neoplastic cells (lymphoma). Additionally, the neoplasm presented multifocal areas of haemorrhage and necrosis, characteristic of lymphoma. The parietal and visceral pleura and parietal pericardium were enlarged and covered diffusely with large amounts of a yellowish fibrillary material. The lungs were mildly...
Tipo: Info:eu-repo/semantics/article Palavras-chave: P. multocida; Bovine pasteurellosis; Immunodepression; Enzootic bovine leukosis; Molecular identification..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000500452
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Granulomatous myelitis associated with hemorrhagic syndrome due to consumption of Vicia villosa by cattle Ciência Rural
Sonne,Luciana; Raymundo,Djeison Lutier; Antoniassi,Nadia Aline Bobbi; Bandarra,Paulo Mota; Almeida,Paula Rodrigues de; Vaz Júnior,Itabajara da Silva; Driemeier,David.
An unusual case of spontaneous Vicia villosa poisoning affected a 6-year-old Holstein cow. Although the most striking findings included a generalized hemorrhagic condition associated with granulomatous myelitis, histological lesions typically seen with the vetch-associated systemic granulomatous syndrome were also present. Prominent gross findings were bloody nasal and oral discharges, disseminated hemorrhages, and bloody feces. Generalized hemorrhages associated with infiltration of numerous organs by lymphocytes, plasma cells, macrophages, multinucleated giants cells, and eosinophils were the main microscopic findings. Anti-CD68 immunostaining confirmed the presence of moderate histiocytic infiltrate and multinucleated giant cells in the bone marrow....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plant poisoning; Cattle; Vicia villosa; Hemorrhagic disease; Granulomatous inflammation.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782010000800030
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Histopathological, immunohistochemical and biomolecular diagnosis of myocarditis due to Clostridium chauvoei in a bovine Ciência Rural
Casagrande,Renata Assis; Pires,Prhiscylla Sadanã; Silva,Rodrigo Otávio Silveira; Sonne,Luciana; Borges,João Batista Souza; Neves,Monique Silva; Rolim,Veronica Machado; Souza,Suyene Oltramari de; Driemeier,David; Lobato,Francisco Carlos Faria.
The aim of this study was to report a case of clostridial myocarditis in a bovine in Brazil with emphasis on the pathological findings, isolation and molecular identification associated with the in situ localization of C. chauvoei. The animal, a male Brangus bull with nine months of age, was found dead without prior clinical signs. Multifocal and coalescent areas of necrosis were observed in the myocardium. Rod cells in the cardiac muscle fibers were positive immunostaining for C. chauvoei, while this bacterium was also isolated and identified by polymerase chain reaction (PCR).
Tipo: Info:eu-repo/semantics/article Palavras-chave: Myonecrosis; Sudden death; Clostridium chauvoei; Myocarditis..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000801472
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Intoxicação espontânea pelas larvas de Perreyia flavipes em bovinos no Estado de Santa Catarina, Brasil Ciência Rural
Raymundo,Djeison Lutier; Bezerra Junior,Pedro Soares; Bandarra,Paulo Mota; Santos,Adriana Silva dos; Sonne,Luciana; Pavarini,Saulo Petinatti; Corrêa,André Mendes Ribeiro; Dias,Marcelo Maronna; Driemeier,David.
Neste trabalho, é descrito um surto de intoxicação por Perreyia flavipes ocorrido em agosto de 2006, em um rebanho bovino de 280 animais, no município de Sombrio, em Santa Catarina. Ocorreram 17 mortes em um lote de 77 bovinos de raça mista com idades entre um e dois anos mantidos em um piquete (P1) de aproximadamente 90 hectares por cerca de 30 dias. Após as primeiras duas mortes, os animais foram movidos para um segundo piquete (P2), onde ainda ocorreram 15 mortes nos cinco dias após a transferência. Seis bovinos foram necropsiados, e amostras de tecidos foram avaliadas para exame histológico. Os achados de necropsia incluíam hemorragias subcutâneas na mucosa do abomaso e superfície subepicárdica. Ascite e edema do abomaso, duodeno, pâncreas e vesícula...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Perreyia flavipes; Necrose de fígado; Bovinos.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000100025
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Intoxicação por veneno de sapo em um canino Ciência Rural
Sonne,Luciana; Rozza,Daniela Bernadete; Wolffenbüttel,Adriana Nunes; Meirelles,Adriana Erica Wilkes Burton; Pedroso,Pedro Miguel Ocampos; Oliveira,Eduardo Conceição de; Driemeier,David.
O sapo do gênero Bufo possui nas suas glândulas paratóides uma secreção mucóide contendo toxinas como bufaginas e Bufotoxinas, que são esteróides cardiogênicos. Os cães podem atacar os sapos, entrando em contato com o veneno por meio das mucosas. Um canino, da raça Bulldog Francês, foi encaminhado ao Setor de Patologia Veterinária da Universidade Federal do Rio Grande do Sul (UFRGS) para a necropsia com histórico de provável intoxicação por veneno de sapo. Na necropsia o canino apresentava pulmões aumentados de volume, avermelhados e com edema, e rins de coloração vermelho-escura. As alterações microscópicas indicaram congestão, hemorragia e edema pulmonar. Nos rins, no baço e nos linfonodos foi observada congestão. As análises toxicológicas para os...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bufo; Veneno; Canino.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000600050
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Mannheimia haemolytica pleuropneumonia in goats associated with shipping stress Ciência Rural
Taunde,Paula Augusto; Argenta,Fernando Froner; Bianchi,Ronaldo Michel; Cecco,Bianca Santana de; Vielmo,Andréia; Lopes,Bruna Corrêa; Siqueira,Franciele Maboni; Andrade,Caroline Pinto de; Snel,Gustavo Geraldo Medina; Barros,Claudio Severo Lombardo de; Sonne,Luciana; Pavarini,Saulo Petinatti; Driemeier,David.
ABSTRACT: This study described the epidemiological, clinical, pathological and bacteriological aspects of Mannheimia haemolytica pleuropneumonia in goats associated with shipping stress. Forty goats transported from the Northeast to the Southern region of Brazil died during shipment, or 2-3 days after unloading. Clinical signs included dyspnea, mucopurulent nasal discharge, and coughing. All goats were necropsied, and multiple tissues were collected for histopathological analysis and involved agent identifications. All lungs showed pulmonary consolidation, predominantly affecting the cranioventral lobes, in addition to the marked fibrinous pleuritis, pleural thickening, and pleural adhesions, that affected 90% of the goats. Histologically, there was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Goat diseases; Respiratory diseases; Pathology; PCR.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000100451
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Multisystemic eosinophilic epitheliotropic disease in a horse in Brazil Ciência Rural
Laisse,Cláudio João Mourão; Nascimento,Lismara Castro do; Panziera,Welden; Soares,Elizabeth Caldas; Fernandes,Denise Bicca; Westphalen,Júlio César; Sonne,Luciana; Pavarini,Saulo Petinatti; Driemeier,David.
ABSTRACT: Equine multisystemic eosinophilic epitheliotropic disease (MEED) is a rare disease, characterized by eosinophilia and eosinophilic infiltration of several organs. A 5-year-old horse presented pruritus, areas of alopecia, and moderate eosinophilia. The horse was treated with corticosteroids and antibiotics without substantial improvement; and after the disease progressed to fever, diarrhea, gastric reflux and progressive weight loss. Due to poor prognosis the horse was euthanized. Necropsy revealed poor body condition, multiple to coalescing foci of alopecia, with epidermal ulcerations and crusts on the head and distal parts of the limbs. The proximal duodenum was enlarged, with 3 intraluminal nodules. Histopathological evaluation revealed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eosinophilia; Eosinophilic granuloma; Histopathology; Horse.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000500552
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Obstrução intestinal por necrose massiva de gordura abdominal (lipomatose) em uma vaca Jersey Ciência Rural
Santos,Adriana da Silva; Bandarra,Paulo Mota; Sonne,Luciana; Pavarini,Saulo Petinatti; Driemeier,David.
Uma fêmea da raça Jersey com 9 anos de idade apresentou cólicas e dificuldade de defecação progressiva que evoluiu até completa obstrução intestinal. O animal morreu uma semana após uma tentativa infrutífera de corrigir cirurgicamente a obstrução. Na necropsia, as alças intestinais estavam distendidas por acúmulo de cont aeúdo fecal e havia massas de gordura necrótica circundando o segmento final do intestino. Os achados histológicos foram necrose da gordura associada à fibrose intersticial, inflamação crônica com células gigantes tipo corpo estranho, fendas de colesterol e mineralização.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lipomatose; Necrose da gordura; Obstrução intestinal; Bovino.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000500049
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Pedicle frozen autograft for limb sparing surgery in a dog with femoral osteosarcoma Ciência Rural
Gouvêa,Aline Silva; Lichtler,Juliana; Scherer,Simone; Mombach,Verônica Santos; Reis,Kauê Danilo Helene Lemos dos; Gonzalez,Paula Cristina Sieczkowski; Sonne,Luciana; Alievi,Marcelo Meller.
ABSTRACT: Osteosarcoma (OSA) is the most common bone tumor diagnosed in dogs and represents approximately 85% of canine skeletal tumors. The most commonly employed therapy is amputation of the limb followed by chemotherapy. However, preservation of the afflicted limb has been successful for patients with concomitant neurological or orthopedic conditions, which are contraindications to the complete amputation, or with owners reluctant to the possibility of amputation. For these reasons, the purpose of this study was to describe the technical procedures that allowed limb salvage through the use of pedicle frozen grafts in a dog with femoral OSA. Surgical procedures consisted of a femoral diaphyseal osteotomy with tearing of the soft tissues; thus, creating a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bone tumor; Canine; Cryotherapy.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016001202206
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Prototheca zopfii genotype 2 disseminated infection in a dog with neurological signs Ciência Rural
Sonne,Luciana; Oliveira,Eduardo Conceição de; Argenta,Fernando Froner; Monteggia,Rafael Souza; Ferreiro,Laerte; Rösler,Uwe; Kershaw,Olivia; Driemeier,David.
ABSTRACT: Prototheca zopfii is an alga that can cause disease in animals and humans. Here, we reported a case of systemic protothecosis in a 2-year-old female Boxer. The animal exhibited tetraparesis and vertical nystagmus. It died two weeks after the onset of clinical signs and was necropsied. At gross examination, whitish areas were identified in the heart. Oval or round structures were observed by microscopic examination, some of which formed morula-like structures compatible with algae in the heart, skeletal muscle, and brain. Growth of Prototheca sp. was observed in the heart after culture at 37°C on Sabouraud agar medium with chloramphenicol. Immunohistochemical analysis of the heart and brain using an anti-Prototheca zopfii polyclonal antibody...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Disseminated protothecosis; Prototheca zopfii genotype 2.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000800551
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Rangeliosis: histopathological analysis, hematology and molecular detection of canine Rangelia vitalii in Rio Grande do Sul, Brazil Ciência Rural
Fredo,Gabriela; Leite-Filho,Ronaldo Viana; Pietzsch,Camila De Ávila; Andrade,Caroline Pinto de; Duda,Naila Cristina Blatt; Nascimento,Lismara Castro do; Valle,Stella de Faria; Soares,João Fábio; Sonne,Luciana.
ABSTRACT: In the period from January 2004 to December 2015, 56 dogs were diagnosed with rangeliosis in the Setor de Patologia Veterinária at Universidade Federal do Rio Grande do Sul (SPV-UFRGS). The main hematological abnormalities were thrombocytopenia and anemia. The affected dogs showed signs of apathy, anorexia, fetid and bloody diarrhea, vomiting, and dehydration. At necropsy, the main changes were jaundice, splenomegaly, hepatomegaly, and lymphadenomegaly. Histological analyses revealed parasitophorous vacuoles of Rangelia vitalii in cytoplasmic endothelial cells, mainly in the heart, kidneys, lymph nodes, intestines, and pancreas. Inflammation characterized by mononuclear cells was predominant in the analysis, and most was due to the presence of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canids; Hemoparasite; Nambyuvú; Rangelia vitalii; Rangeliosis.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001000501
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Scirrhous eosinophilic gastritis in two dogs Ciência Rural
Laisse,Cláudio João Mourão; Castro,Neusa Barbosa; Oliveira,Eduardo Conceição de; Bianchi,Matheus Viezzer; Fredo,Gabriela; Siviero,Amanda dos Santos; Lopes,Daniela Jardim; Pavarini,Saulo Petinatti; Driemeier,David; Sonne,Luciana.
ABSTRACT: Scirrhous eosinophilic gastritis (SEG) is characterized by diffuse infiltration of eosinophils and concomitant fibrovascular tissue proliferation in the stomach wall. The condition is a rare occurrence with an unknown cause. Two dogs were examined with a history of progressive weight loss, emesis, melena and anorexia. Complete blood cell counts of both cases revealed anemia and eosinophilia, while ultrasonography examination revealed thickening of the stomach wall. Due to suspected gastric neoplasia and a poor clinical prognosis, the dogs were euthanized. At necropsy, both had markedly distended stomachs with a diffusely thickened and firm wall. The spleens of both dogs were enlarged with a nodular surface. Histological evaluation revealed...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Dog; Eosinophilia; Gastroenteritis; Gastropathy.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500881
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Surto de babesiose cerebral em bovinos no Estado do Rio Grande do Sul Ciência Rural
Antoniassi,Nadia Aline Bobbi; Corrêa,André Mendes Ribeiro; Santos,Adriana da Silva; Pavarini,Saulo Petinatti; Sonne,Luciana; Bandarra,Paulo Mota; Driemeier,David.
Descreve-se um surto de mortalidade em bovinos por Babesia bovis em abril de 2007, no Município de Picada Café, Rio Grande do Sul. Em um rebanho com 55 novilhas, 28 (50,9%) morreram em cinco dias. A doença iniciou vinte dias após o ingresso dos bovinos na propriedade. Os sinais clínicos incluíam febre, incoordenação, agressividade, anemia, petéquias nas mucosas e morte 1 á 2 dias após. Em 4 animais necropsiados, observaram-se palidez de mucosas, hemorragias múltiplas, esplenomegalia, fígado aumentado e alaranjado, vesícula biliar com parede edemaciada e contendo bile grumosa. Os rins estavam vermelho-escuros e a bexiga continha urina cor de vinho tinto. O encéfalo apresentou cor róseo-cereja externamente e ao corte, mais marcado no córtex telencefálico,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Babesia bovis; Babesiose cerebral; Bovinos.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000300049
Registros recuperados: 15
Primeira ... 1 ... Última
 

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