20 research outputs found

    Tumor de Frantz em paciente do sexo feminino com diarreia: relato de caso de neoplasia pancreática rara

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    O tumor pseudopapilar sólido, também conhecido como tumor de Frantz, é um tumor raro do pâncreas. Relatamos o caso de uma paciente de 25 anos com dor abdominal, febre, diarréia e perda de peso.TC de abdome com contraste revelou pâncreas alargado com lesão hipodensa de aparência nodular e calcificações periféricas. Foi decidido realizar pancreatectomia subtotal com linfadenectomia e optou-se pela esplenectomia com biópsia hepática intra-operatória. O anatomopatológico da ressecção cirúrgica do tumor pancreático revelou tumor pseudopapilar sólido compatível com o tumor de Frantz. A imuno-histoquímica confirmou os achados histopatológicos. Ela evoluiu com fístula pancreática e pancreatite resolvida após 15 dias. Atualmente, está sendo acompanhada ambulatorialmente em nosso serviço com remissão completa dos sintomas.Solid pseudopapillary tumor, also known as frantz tumor, is a rare tumor of the pancreas. We report a case of 25-year-old female patient with abdominal pain, fever, diarrhea and weight loss. Contrast abdominal CT showed enlarged pancreas with a hypodense lesion of nodular appearance and peripheral calcifications.It was decided to perform subtotal pancreatectomy with lymphadenectomy, and opted for splenectomy and intraoperative liver biopsy. The pathology of surgical resection of the pancreatic tumor showed solid pseudopapillary tumor compatible with Frantz’s tumor. Immunohistochemistry confirmed histopathological findings. She evolved with pancreatic fistula and pancreatitis resolved after 15 days. Currently, it is being followed up in our service with complete remission of symptoms

    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

    Pervasive gaps in Amazonian ecological research

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    Pervasive gaps in Amazonian ecological research

    Get PDF
    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

    ACCESSIBLE TEACHING OF HUMAN MORPHOLOGY FOR THE VISUALLY IMPAIRED: A SCOPING REVIEW

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    Anatomy, Embryology and Histology are areas of knowledge related to the Morphological Sciences, which are vital for the education of health and biological professionals. The college space should mitigate the problems in order to generate equity and guarantee education for all students. However, it is still observed that visually impaired people find the teaching and learning process challenging, since this science is closely linked to visual stimulation, such as images, atlases, microscopes, and others. It is necessary to introduce sensory and technological tools that help in the teaching practice and have applicability for the student, providing understanding, clarity and autonomy for their professional training

    Carcass traits and meat quality of lambs fed with cactus (Opuntia fícus-indica Mill) silage and subjected to an intermittent water supply.

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    The present study aimed to evaluate the effect of cactus silage and an intermittent water supply for lambs on carcass traits and meat quality. Thirty-six crossbreed lambs with an initial average weight of 19.8 ± 2.1 kg and average age of 6 months were randomly assigned to a 3 × 3 factorial design comprising three addition ratios of cactus silage to the diet (0, 21, and 42% based on dry matter) and three water supply intervals (0, 24, and 48 h) with four replicates. There was no interaction (P > 0.05) between the cactus silage ratio and intermittent water supply for any of the evaluated variables, with the exception of the yield of the half carcass commercial cuts. There was no significant effect of intermittent water supply (P > 0.05) on the carcass characteristics or meat quality. The addition of forage cactus silage as a substitute for Tifton hay affected the morphometric measurements (P 0.05). The addition of forage cactus silage to the lambs' diet affected (P < 0.05) the composition of some saturated fatty acids in the meat. A water supply interval of up to 48 h does not influence carcass characteristics and meat quality. Therefore, the use of cactus silage can be recommended in situations of water scarcity without harming the production or meat quality of crossbreed lambs

    Ensino de ciências e matemática II: temas sobre formação de conceitos

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    Coletânea de textos apresentados no Programa de Pós-Graduação em Educação para a Ciência, sediado na Faculdade de Ciências da UNESP, na área de ensino de Ciências e Matemática. O núcleo de pesquisa do Programa concentra-se em estudos sobre a ciência, a educação científica e nas relações entre o saber científico e seu ensino. Assim, incentiva a reflexão sobre os processos envolvidos na construção dos conhecimentos científicos e tecnológicos, além de contribuir para a produção de um corpo de conhecimentos filosóficos, científicos e pedagógicos destinados à formação de professores e outros profissionais da áre
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