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| Argenta,Fernando Froner; Pereira,Paula Reis; Bertolini,Marianna; Fratini,Letícia Mendes; Saccaro,Renata de Oliveira; Sonne,Luciana; Driemeier,David; Pavarini,Saulo Petinatti. |
| ABSTRACT: A carcinoid is a rare neoplasm derived from neuroendocrine cells that may arise in the hepatobiliary system. This report described two cases of carcinoid of the gallbladder in dogs, with emphasis on the clinical, pathological and immunohistochemical aspects. Case 1 was a 10-year-old female Shih Tzu, with a history of prostration and occasional episodes of diarrhea and vomiting. Case 2 was a 10-year-old male Cocker Spaniel, with a history of diarrhea and abdominal pain. Abdominal ultrasonography suggested a neoplasm of the gallbladder in both cases. The dogs underwent cholecystectomy, and 10% formalin-fixed samples were sent for pathological examination. Histologically, a neoplastic proliferation of neuroendocrine cells was observed in the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Canine; Neoplasm; Neuroendocrine carcinoma; Immunohistochemistry. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000200551 |
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| 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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| 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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