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| Ribeiro,Paula Reis; Bianchi,Matheus Viezzer; Henker,Luan Cleber; Gonzales,Fernando; Pavarini,Saulo Petinatti. |
| ABSTRACT: Bee envenomation is frequent in humans and dogs, but uncommon in horses. This study aimed to describe a case of acute renal failure following mass envenomation in a horse. A mare was attacked by a swarm of bees and showed reluctance to move, epistaxis, and dark-brown urine. Biochemical exams revealed increase in urea and creatine serum levels. The mare did not respond to treatment and euthanasia was elected after four days of clinical course. At the necropsy, there were multifocal pinpoint to elevated skin lesions associated with edema and hemorrhage, which extended to the subcutaneous tissue and skeletal muscle, and the kidneys were diffusely dark-brown and friable. Microscopically, renal tubules were distended and filled with an orange-red,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acute renal failure envenomation; Pathology; Veterinary toxicology. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000500551 |
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| Wentz,Maria Fernanda; Vargas,Thainã Piccolo; Bianchi,Matheus Viezzer; Fett,Rochana Rodrigues; Lorenzo,Cíntia De; Pavarini,Saulo Petinatti. |
| ABSTRACT: Meningiomas are neoplasms that commonly involve the central nervous system of cats, while cholesteatomas are nodular granulomatous chronic lesions within the choroid plexus that are rarely reported in cats. This study described a case of cholesteatoma and non-communicating hydrocephalus associated to a third ventricle meningioma in a cat. Clinically, the cat had a 2-year history of behavioral changes, photophobia and motor incoordination. At the necropsy, a tan-brown mass totally occluded the third ventricle, causing a severe dilation of the lateral ventricles (non-communicating hydrocephalus). Microscopically, the mass was composed by a neoplastic proliferation of spindle cells arranged in bundles, containing in the center psammomatous bodies... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Non-communicating hydrocephalus; Immunohistochemistry; Intraventricular tumors; Domestic cats. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001000551 |
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| Leite Filho,Ronaldo Viana; Bianchi,Matheus Viezzer; Fredo,Gabriela; Oliveira,Eduardo Conceição de; Laisse,Cláudio João Mourão; Driemeier,David; Pavarini,Saulo Petinatti. |
| ABSTRACT: Abomasal bloat associated with Sarcina genus bacteria is a rare condition reported in young ruminants. An outbreak characterized by the sudden death of eight lambs from a total of 80 lambs (30 days-old) occurred on a property located in the city of Palmares do Sul in the state of Rio Grande do Sul. Deaths began to occur after the introduction of supplementation into the diet of lambs. At necropsy, the abomasum was distended by gas and had diffusely thickened walls and emphysema. On microscopic examination, the abomasum showed marked diffuse emphysema and multifocal areas of mild superficial necrosis with many coccoid structures measuring approximately 2µm in diameter, arranged in tetrads, compatible with Sarcina genus bacteria. After removing... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Emphysematous abomasitis; Lamb; Sarcina; Abomasal bloat. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000200300 |
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| 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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| 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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| Prates,Klaus Scherer; Bianchi,Matheus Viezzer; Mello,Lauren Santos de; Matesco,Viviana Cauduro; Lorenzo,Cíntia de; Driemeier,David; Pavarini,Saulo Petinatti. |
| ABSTRACT: Meningiomas are the most frequent neoplasms involving the brain in dogs and cats, and are occasionally observed in the spinal cord. They cause compression of the central nervous system; however, do not infiltrate the neuropile and rarely metastasize to other organs. The present study describes a case of anaplastic spinal meningioma with extra neural metastasis in a 20 years-old cat. Clinically, the feline presented a clinical history of 120 days with paresis of the hind limbs and loss of the tail’s movements, with subsequent death. At necropsy, there was an irregular and soft whitish mass involving the meninges from the lumbar intumescence to the sacral region of the spinal cord. Similar white nodular masses were observed in the lungs, liver and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ataxia; Immunohistochemistry; Spinal cord; Meningioma; Metastasis; Central nervous system. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000700550 |
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