Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Rochelle Lykawka"'
Autor:
Isadora Veiga da Rosa, Janine Hastenteufel Dias, Rochelle Lykawka, Mauricio Anes, Luany Nobre Furlan, Alexandre Bacelar
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 3 (2024)
Radiography is a crucial diagnostic imaging modality in clinical practice, with persistent challenges in digital radiography regarding the level of exposure. The International Electrotechnical Commission standardized the Exposure Index (EI) and Devia
Externí odkaz:
https://doaj.org/article/0098494bf8e44adf82526e5abbba5fdf
Autor:
Rochelle Lykawka, Alexandre Bacelar, Fábio Fernandes Dantas Filho, Milena Ávila Peres, Juliana Ávila Duarte
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 2 (2024)
The occupational health assessment of workers exposed to ionizing radiation is done through Complete Blood Count (CBC) tests in some countries, although studies have shown that this biomarker does not show evidence of exposition to low dose radiation
Externí odkaz:
https://doaj.org/article/99f2baf5bd484c15b76ce94270523c11
Autor:
Bruno Takara, Felipe Freitas, Alexandre Bacelar, Rochelle Lykawka, Mirko Salomon Alva Sanchez
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 3 (2022)
We present a Machine Learning algorithm based on Python which can be used to aid COVID-19 diagnosis. This algorithm employs Convolutional Neural Networks (CNN) of ResNet-18 architecture from thoracic X-ray images to build a trained dataset that enabl
Externí odkaz:
https://doaj.org/article/3a07564049364773a42ffc73e8f2cc46
Autor:
Nathan Willig Lima, Iana Quintanilha Borba, Mauricio Anes, Juliana Monteiro Goulart, Alexandre Bacelar, Rochelle Lykawka
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 3, Iss 1A (2015)
The most important reference for breast cancer diagnosis is still the mammography. Mammographic technology has evolved in such a way that we have digital systems nowadays. Thus, image generation quality control must evolve as well. In this work, we h
Externí odkaz:
https://doaj.org/article/d0bd96614c5841e8ac7a3cb9c7803e0c
Autor:
Lucia Canevaro, Rochelle Lykawka, Maria do Socorro Nogueira, Eliseo Vano, Alexandre Bacelar, Adriano Dourado, Tânia Aparecida Correia Furquim, Flavia Borges, Helio Castello, Barbara Rodrigues, Camila S. Melo, Fernando Leyton, Marcus Vinícius Teixeira Navarro, Wilson Otto Batista
Publikováno v:
Revista Brasileira de Cardiologia Invasiva (English Edition). 22(1):87-98
We discuss some aspects related to the legal framework, international recommendations and training programs on radiological protection; image quality and equipment; the biological effects and risks of ionizing radiation; lesions in patients and opera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49edb90555087f5a710b116f7a3ea248
Autor:
Clauzi Rodrigo Guerini, Rochelle Lykawka, Patrícia Biasi, Marcelo Schneider Bemvenuti, Gabriela Hoff
Publikováno v:
Radiologia Brasileira v.44 n.3 2011
Radiologia Brasileira
Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron:CBR
Radiologia Brasileira, Vol 44, Iss 3, Pp 172-176 (2011)
Radiologia Brasileira
Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron:CBR
Radiologia Brasileira, Vol 44, Iss 3, Pp 172-176 (2011)
OBJECTIVE: To evaluate the intermethod agreement in the measurement of compression force as well as variations in the testing of different mammography systems. MATERIALS AND METHODS: Ten compression force measurements were performed for each proposed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bb70466235851baf584e5d34eccdc4d
https://doi.org/10.1590/s0100-39842011000300010
https://doi.org/10.1590/s0100-39842011000300010
Autor:
Marcelo Picoli Lanfredi, Alexandre Bacelar, Maurício Anés, Rochelle Lykawka, Janine Hastenteufel Dias, Rafaela Capelari Ravazio
Publikováno v:
Revista Brasileira de Física Médica. 11:23
Conhecer as doses ocupacionais em procedimentos urológicos com uso de fluoroscopia é importante para otimizar os mecanismos de radioproteção da equipe. Para estimar a exposição ocupacional da equipe cirúrgica nestes procedimentos, foi coletado
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ff05e3b380de0791b15db1d6dd548fe
https://doi.org/10.29384/rbfm.2017.v11.n3.p23
https://doi.org/10.29384/rbfm.2017.v11.n3.p23
Autor:
Maurício Anés, Alexandre Bacelar, Nathan Willig Lima, Juliana Monteiro Goulart, Rochelle Lykawka, Iana Quintanilha Borba
Publikováno v:
Brazilian Journal of Radiation Sciences. 3
The most important reference for breast cancer diagnosis is still the mammography. Mammographic technology has evolved in such a way that we have digital systems nowadays. Thus, image generation quality control must evolve as well. In this work, we h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99d9e65caabeb1a8d6c8bfc8bd1f4f00
https://doi.org/10.15392/bjrs.v3i1a.93
https://doi.org/10.15392/bjrs.v3i1a.93
Autor:
Wilson Otto Batista, Flavia Borges, Marcus Vinícius Teixeira Navarro, Tânia Aparecida Correia Furquim, Barbara Rodrigues, Camila S. Melo, Adriano Dourado, Eliseo Vano, Helio Castello, Rochelle Lykawka, Fernando Leyton, Lucia Canevaro, Maria do Socorro Nogueira, Alexandre Bacelar
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Revista Brasileira de Cardiologia Invasiva, Volume: 22, Issue: 1, Pages: 87-98, Published: MAR 2014
Revista Brasileira de Cardiologia Invasiva v.22 n.1 2014
Revista Brasileira de Cardiologia Invasiva
Sociedade Brasileira de Hemodinâmica e Cardiologia Intervencionista (SBHCI)
instacron:SBHCI
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Revista Brasileira de Cardiologia Invasiva, Volume: 22, Issue: 1, Pages: 87-98, Published: MAR 2014
Revista Brasileira de Cardiologia Invasiva v.22 n.1 2014
Revista Brasileira de Cardiologia Invasiva
Sociedade Brasileira de Hemodinâmica e Cardiologia Intervencionista (SBHCI)
instacron:SBHCI
Discutimos aqui aspectos vinculados ao enquadramento legal, a recomendações internacionais e a programas de formação em proteção radiológica; ao angiógrafo e à qualidade da imagem; aos efeitos biológicos e aos riscos das radiações ionizan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f46c0c8d95c249e331c4e8884e49a48e
