908 resultados para Biopsia por agulha fina


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O presente trabalho objetiva acompanhar o percurso da personagem Cintura Fina, personagem real, que, saindo da História, empreende, intertextual e intersemioticamente, uma trajetória artística. A Literatura a captou e, dando vida e realidade a ela, inseriu-a nas páginas do romance Hilda Furacão, sob a batuta do escritor mineiro Roberto Drummond. As minisséries televisivas têm bebido sobejamente nas águas da Literatura. Não sem razão, o texto literário converteu-se em texto que a Rede Globo de Televisão recriou-a em minissérie de 32 capítulos, levados ao ar entre 24 de maio e 23 de julho de 1998, com adaptação de Glória Peres. As jovens cineastas mineiras, Fernanda Gomes e Luciana Barros, em 2005, levam a personagem Cintura Fina para o cinema, transformando-a, criativamente, na protagonista de um documentário experimental em curta-metragem intitulado Derivado da minha beleza.

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Este artigo tem como objetivo de sugerir atividades para a fase inicial da aprendizagem da escrita, partindo de uma visão geral dos aspectos que o desenvolvimento da coordenção motora fina apresenta na prática pedagógica.

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Aims: the aims of this study were to compare and to characterize the fine, sensory and perceptive function performance and handwritten quality between students with learning difficulties and students with good academic performance. GII, GIII and GIV: 96 students with learning difficulties, and groups GV, GVI, GVII, GVIII: 96 good academic performance. The students were submitted to evaluation of fine motor, sensorial and perception functions and handwriting evaluation under dictation. Results: the results show that the students with learning difficulties from 1st to 3rd grade had lower performance on tests of fine motor, sensory and perceptive function compared to the students with good academic performance in the same grade; the students from 4th grade, both groups, did not show changes on fine motor sensory and perceptive function; and only the students of GII showed disgraphya. Conclusions: the results presented in this study suggest that the qualitative aspects of fine motor, sensory and perceptive skills reflect the integrity and maturity of central nervous system and can probably play an important role in early diagnosis of development disorders and consequently prevent academic disorders such as handwriting performance.

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Introduction: The irrigation of root canals aims to their cleaning and disinfection, improving endodontic treatment success. Objective: To investigate the influence of the diameter and type of irrigation needle and the root canal enlargement on the mechanical efficacy of endodontic irrigation. Material and methods: Twelve human single-rooted mandibular incisors were used. During some instrumentation stages (enlargement by #20, #30, and #40 K file), root canals were filled with radiographic contrast solution mixed to propyleneglycol and zinc oxide. Needles with different diameters and designs were employed: G1 – 23G and lateral opening; G2 – 22G and apical opening; G3 – 30G and lateral opening; G4 – 30G and apical opening. The needles were inserted up to resistance, with 1 mm step-back to avoid root canal obliteration. The irrigation was performed with 2 mL of distilled water. Before and after irrigation/aspiration, teeth were radiographed at bucco-lingual and mesiodistal direction, using a digital radiographic system. Then, root canal areas, before (filled by contrast solution) and after irrigation (remnant of contrast solution), were submitted to image subtraction with Adobe Photoshop CS4 software. Subsequently, the areas were measured by Image Tool 3.0 software, allowing the obtaining of the cleaning percentage for each modality. Data were analysed by using Anova and Tukey’s test. The level of significance was set at P < 0.05. Results: For all root canal enlargements, 30G needles (G3 e G4) presented a better cleaning efficacy. In all groups, higher cleaning efficacy percentage was observed at #30 and #40 K file enlargement. Conclusion: Regardless their design, thinner needles were more effective; a better cleaning efficacy occurred in more enlarged root canals.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Nelle epatopatie croniche l’estensione della fibrosi è il principale determinante della prognosi. Sebbene la biopsia epatica rimanga il gold standard ai fini di una stadiazione, il crescente interesse nei confronti di metodi diagnostici non invasivi di fibrosi ha portato allo sviluppo di diversi modelli predittivi basati su parametri clinicolaboratoristici quali Fibrotest, indice APRI, indice Forns. Gli scopi dello studio sono: di stabilire l’accuratezza di un’analisi con rete neurale artificiale (ANN), tecnica di cui è stata dimostrata l’efficacia predittiva in situazioni biologiche complesse nell’identificare lo stadio di fibrosi, di confrontarne i risultati con quelli ottenuti dal calcolo degli indici APRI e Forns sullo stesso gruppo di pazienti e infine di validarne l’efficacia diagnostica in gruppi esterni.

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El proyecto propone una propuesta creativa e innovadora desde la creación del naming, diseño de la identidad corporativa y un sistema integral para la construcción de envases, para una pastelería fina.

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