Laura CRISTINA Ortiz

Laura CRISTINA Ortiz
Michigan State University | MSU · Comparative Medicine and Integrative Biology

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10
Publications
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33
Citations

Publications

Publications (10)
Article
Full-text available
This retrospective study describes the cytology diagnoses conducted at the animal pathology laboratory of the University of Antioquia from years 1996 to 2009. Results were expressed as proportions. The studied traits were: animal species, cytological method used, affected system, and diagnosis. A total of 97.1% samples (1454/1497) corresponded to c...
Article
Full-text available
Cytology is a controversial diagnostic tool in veterinary medicine. In Colombia there are no studies about its reliability as a diagnostic tool. The porpoise of this study was to compare accuracy of the cytology with respect to histopathology for the diagnosis of mammary, cutaneous and subcutaneous tumors in dogs. We performed an observational anal...
Article
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In this study the macroscopic inspection of 900 stomachs from pigs slaughtered in an abattoir at Medellin (Colombia) were performed, with the aim to determine the frequency of gastric injuries. Sample size calculation was made on the basis of an infinite population with a 99.7% confidence interval and a 5% alpha error. The results were analyzed by...
Article
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La citología en el diagnóstico veterinario, sigue siendo un procedimiento controvertido en Colombia, país en el cual no se han realizado hasta donde conocemos, estudios sistemáticos que valoren su confiabilidad como prueba diagnóstica. Por tal motivo, se realizó este estudio con el objetivo de comparar la citopatología con la histopatología para el...
Article
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Los porcinos desarrollan de manera natural y frecuente úlceras gastroesofágicas (UGE) y son colonizados por Helicobacter spp. Dado que en los humanos se demostró la asociación de estos microorganismos con gastritis, úlcera gástrica y adenocarcinoma gástrico, el objetivo de esta investigación fue determinar la asociación entre la úlcera gastroesofág...
Article
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Los porcinos desarrollan de manera natural y frecuente úlceras gastroesofágicas (UGE) y se han observado úlceras colonizadas por Helicobacter spp. En los humanos se ha comunicado la asociación de estos microorganismos con gastritis y úlcera gástrica y, de manera análoga, en los suinos se ha relacionado a Helicobacter spp en la producción de lesione...
Article
Full-text available
En este estudio se realizó la inspección macroscópica de 900 estómagos de cerdos sacrificados en la Central Ganadera de Medellín (Colombia), durante un periodo de cuatro meses, con el objeto de determinar la frecuencia de lesiones gástricas. El cálculo de la muestra se efectuó considerando una población infinita con un límite de confianza del 99.7%...
Article
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Swine as well as human naturally harbor Helicobacter spp. and frequently develop gastroesophagic ulcer (GEU). Nowadays in Colombia there are no reports of natural colonization or infection by Helicobacter spp. in swine. The aim of this study investigation was to verify the presence of Helicobacter spp. in ulcerated and preulcerated lesion in the ga...

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