Search Results - "Prata Mourão, Arnaldo"

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  1. 1

    Dosimetric study of pediatric PET/CT scan using different phantoms by Guerra Paiva, Fernanda, do Carmo Santana, Priscila, Prata Mourão, Arnaldo

    “…PET/CT tests are becoming increasingly important imaging tools in the noninvasive evaluation and children monitoring with known or suspected malignant…”
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    Journal Article
  2. 2

    RADIOCHROMIC FILM CALIBRATION FOR DOSIMETRY IN CHEST CT SCANS by Gomez, Mauricio, Mourão, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (30-04-2021)
    “…Phantoms can be used as quality control objects in computed tomography (CT) imaging and dosimetry in specific regions of interest. By means of phantom tests,…”
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    Journal Article
  3. 3

    Dose reduction evaluation in radiosensitive tissues for head CT scans using two phantoms and bismuth eye shielding by Fernandes, Lorena Cunha, Prata Mourão, Arnaldo

    Published in Brazilian Journal of Radiation Sciences (18-09-2022)
    “…Computed tomography is the imaging technique that most contributes to increasing the population average dose. Head scanning protocols have a very high dose in…”
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    Journal Article
  4. 4

    Evaluation of patient effective dose in a PET/CT test by Paiva, Fernanda Guerra, do Carmo Santana, Priscila, Mourão, Arnaldo Prata

    Published in Applied radiation and isotopes (01-03-2019)
    “…The positron emission tomography (PET)/computed tomography (CT) technique generates high doses in patients because two radiodiagnostic modalities are used in a…”
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    Journal Article
  5. 5

    Dosimetry in CR mammography using radiochromic film by Bustos Flores, Mabel, Prata Mourão, Arnaldo, Queiroz Pelegrineli, Samuel, Passos dos Reis Junior, Juraci

    Published in Brazilian Journal of Radiation Sciences (04-12-2022)
    “…To estimate the dose that a patient's mammary tissue receives during mammographic screening, radiochromic film and objects simulators made of PMMA are used…”
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    Journal Article
  6. 6

    COMPARATIVE DOSIMETRIC STUDY IN CHEST COMPUTED TOMOGRAPHY USING PHANTOMS by Aburjaile, Wadia, Gomez, Mauricio, Prata Mourão, Arnaldo

    Published in Brazilian Journal of Radiation Sciences (28-01-2019)
    “…The dissemination of Computed Tomography (CT) scan has promoted a significant increase in the absorbed dose by patients due to the diagnosis. Therefore, it is…”
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    Journal Article
  7. 7

    Study of dosimetry in CT using head phantom by Gomez, Mauricio, Do Carmo Santana, Priscila, Prata Mourão, Arnaldo

    Published in Brazilian Journal of Radiation Sciences (28-01-2019)
    “…Non-invasive diagnosis methods based on x-ray attenuation, such as Computed Tomography (CT) has had since its discovery and the development of this technology,…”
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    Journal Article
  8. 8

    Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding by Santos, Fernanda Stephanie, Santana, Priscila do Carmo, Mourão, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (19-07-2018)
    “…Computed Tomography (CT) has become an important tool to diagnose cancer and to obtain additional information for different clinical questions. However, CT…”
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    Journal Article
  9. 9

    Computer Tomography Scanners in Brazil (2010-2017) by Alonso, Thessa Cristina, Bianchi, Vivian Carla Rocha Netto, Vieira, Leandro Abreu, Mourão, Arnaldo Prata, Da Silva, Teógenes Augusto

    Published in Brazilian Journal of Radiation Sciences (22-03-2020)
    “…The aim of this study was to verify the availability of CT scanners in the Brazilian territory, for the period 2010 to 2017, comparing the results with those…”
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    Journal Article
  10. 10

    Breast phantom made of acrylic slabs for tests in mammography DR by Bustos Flores, Mabel, Prata Mourão, Arnaldo, Chevalier del Rio, Margarita

    Published in Applied radiation and isotopes (01-10-2022)
    “…The development of a breast phantom with realistic features that is simple and cheap to produce continues to be a challenge. Most commercial phantoms are…”
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    Journal Article
  11. 11

    Evaluation of gastric emptying by means of scintigra-phy using different test meals by Montoya Ojeda, Viviana, Fontes Quintão, Mateus, Parisitto Marino, Viviane, Gonzaga Vaz Coelho, Luiz, Passos Marinho, Frederico, Das Graças Mota, Luciene, Prata Mourão, Arnaldo

    Published in Brazilian Journal of Radiation Sciences (25-02-2019)
    “…Gastroparesis is a disorder characterized by symptoms and evidence of delayed gastric emptying (GE) in the absence of mechanical obstruction. Scintigraphy has…”
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    Journal Article
  12. 12

    Patient dose reduction by changing the amount of 18F-FDG radiopharmaceutical injected by Paiva, Fernanda Guerra, Santana, Priscilla Carmo, Mourão Filho, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (25-02-2019)
    “…Images of Positron Emission Tomography (PET) associated with Computed Tomography (CT) have important diagnostic applications, mainly for oncology. These…”
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    Journal Article
  13. 13

    Comparação da dose absorvida de dois protocolos de varredura tomográfica em exame de PET/CT by Paiva, Fernanda Guerra, Santana, Priscilla Carmo, Mourão Filho, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (08-10-2018)
    “…Positron emission tomography (PET) associated with computed tomography (CT) allows the fusion of functional and anatomical images. When compared with other…”
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    Journal Article
  14. 14

    Considerações radiodosimétricas da braquiterapia ocular com iodo-125 e rutênio/ródio-106 by Mourão, Arnaldo Prata, Campos, Tarcísio Passos Ribeiro de

    Published in Radiologia brasileira (01-02-2009)
    “…OBJETIVO: Analisar, por meio de um modelo computacional da região ocular, as características da distribuição da dose utilizando placas contendo iodo-125 e…”
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  15. 15

    Validação de um modelo computacional de acelerador linear VARIAN CLINAC 2100 utilizando o código EGSnrc para utilização em dosimetria de pequenos campos by Leão Jr, Reginaldo Gonçalves, Sousa, Rômulo Verdolin, Oliveira, Arno Heeren, Leonardo Silva, Hugo Lemos, Mourão, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (28-01-2018)
    “…Neste trabalho foi empregado o Método de Monte Carlo para a simulação de campos clínicos de radioterapia que serão posteriormente utilizados para a calibração…”
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    Journal Article
  16. 16

    Estimativa dos valores de MSAD em procedimentos de tomografia computadorizada utilizando filmes radiocrômicos by Oliveira, Bruno Beraldo, Mourão, Arnaldo Prata, Silva, Teógenes Augusto da

    Published in Radiologia brasileira (01-04-2013)
    “…OBJETIVO: Verificar a viabilidade de filmes radiocrômicos como um dosímetro alternativo para estimativa da dose média em cortes múltiplos a partir dos perfis…”
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    Journal Article
  17. 17

    Dosimetry of patients submitted to cerebral PET/CT for the diagnosis of mild cognitive impairment by Santana, Priscila do Carmo, Mourão, Arnaldo Prata, de Oliveira, Paulo Márcio Campos, Bernardes, Felipe Dias, Mamede, Marcelo, da Silva, Teógenes Augusto

    Published in Radiologia brasileira (01-11-2014)
    “…The present study was aimed at evaluating the effective radiation dose in patients submitted to PET/CT for the diagnosis of mild cognitive impairment. TLD-100…”
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  18. 18

    Dosimetria de pacientes submetidos a exames de PET/CT cerebral para diagnóstico de comprometimento cognitivo leve by Santana, Priscila do Carmo, Mourão, Arnaldo Prata, Oliveira, Paulo Márcio Campos de, Bernardes, Felipe Dias, Mamede, Marcelo, Silva, Teógenes Augusto da

    Published in Radiologia brasileira (01-12-2014)
    “…Objetivo: O objetivo deste trabalho é avaliar a dose em pacientes submetidos a PET/CT para diagnóstico de comprometimento cognitivo leve. Materiais e Métodos:…”
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  19. 19

    Study for pediatric protocol optimization in chest CT scans by FREDERICO, Marcel Javier, Banguero, Yolma, Cerecetto, Hugo, Santana, Priscila, Oliveira, Fernando, Mourao, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (28-01-2019)
    “…Radiological exams are increasingly used in clinic for diagnostic analysis of different types of pathologies. These tests are associated with a dose that is…”
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  20. 20

    Analysis of thyroid absorbed dose in cervical CT scan with the use of bismuth shielding by Santos, Fernanda Stephanie, Gomez, Alvaro Mauricio Ladino, Silva, Clarysson Alberto Melo da, Santana, Priscila Do Carmo, Mourao, Arnaldo Prata

    Published in Brazilian Journal of Radiation Sciences (19-02-2019)
    “…The Computed Tomography (CT) has become an important tool to diagnose cancer and to obtain additional information for different clinical questions. Today, it…”
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    Journal Article