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Detection of coronary artery calcification with nontriggered computed tomograph...
Pelandré,Gustavo Lemos; Sanches,Nathália Martins Pereira; Nacif,Marcelo Souto; Marchiori,EdsonAbstract Objective: To evaluate the accuracy of visual analysis and of the coronary artery calcium (CAC) score in nontriggered computed tomography (CT), in comparison with that of the CAC score in electrocardiogram-triggered CT, in identifying coronary calcification. Materials and Methods: A total of 174 patients for whom CT was indicated for CAC scoring underwent nontriggered and triggered CT in a 64-channel m...
Prevalence of pancreatic cystic neoplasms on imaging exams: association with si...
Falqueto,Aline; Pelandré,Gustavo Lemos; Costa,Mariânges Zadrozny Gouvêa da; Nacif,Marcelo Souto; Marchiori,EdsonAbstract Objective: To analyze the prevalence of cystic lesions of the pancreas on imaging exams and their association with signs of malignancy risk. Materials and methods: This was an observational cross-sectional study, in which we evaluated 924 sequential computed tomography and magnetic resonance imaging scans of the abdomen. For all of the patients included in the study, we reviewed the demographic data av...
Aspectos tomográficos do tumor estromal gastrintestinal de origem gástrica: est...
Pelandré,Gustavo Lemos; Djahjah,Maria Célia; Nobre,Luiz Felipe; Gasparetto,Emerson Leandro; Marchiori,Edson; Pereira,Bruno Vilhena; Valadão,MarcusOBJETIVO: Descrever os achados tomográficos do tumor estromal gastrintestinal de origem gástrica. MATERIAIS E MÉTODOS: No período de janeiro de 1999 a dezembro de 2006, foram selecionados 14 pacientes com diagnóstico histopatológico e imuno-histoquímico de tumor estromal gastrintestinal gástrico que apresentavam tomografia computadorizada realizada anteriormente ao tratamento. As variáveis tomográficas analisad...