2017
DOI: 10.29384/rbfm.2017.v11.n2.p21-24
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Doses em tomografia computadorizada de crânio: impacto do uso do controle automático de exposição

Abstract: ResumoO uso de sistemas de redução de dose na tomografia computadorizada é particularmente importante para pacientes pediátricos, que possuem uma alta radiossensibilidade, pois estão em fase de crescimento. O objetivo deste estudo foi avaliar o impacto do uso do sistema AEC Care Dose da Siemens na estimativa de dose em exames de tomografia computadorizada de crânio em pacientes pediátricos. Foi realizado um estudo retrospectivo com 199 exames de tomografia computadorizada de crânio de pacientes pediátricos em … Show more

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“…For instance, modifications in the X-ray tube tension, pitch and slice thickness might drop the dose to the patient without affecting image quality. [5] The tomography of the thoracic region is one of the best tools to assess calcifications [6] and responses to oncological treatments such as radiotherapy and chemotherapy among the various target regions for a CT. Also, according to ICRU 2012, it is one of the most examined anatomical regions in radiology departments [7,8,9,10]. Patients with alterations in chest radiographs are generally referred for a tomography exam in order to elucidate, precisely locate and clarify the extent of alterations [11].…”
Section: Introductionmentioning
confidence: 99%
“…For instance, modifications in the X-ray tube tension, pitch and slice thickness might drop the dose to the patient without affecting image quality. [5] The tomography of the thoracic region is one of the best tools to assess calcifications [6] and responses to oncological treatments such as radiotherapy and chemotherapy among the various target regions for a CT. Also, according to ICRU 2012, it is one of the most examined anatomical regions in radiology departments [7,8,9,10]. Patients with alterations in chest radiographs are generally referred for a tomography exam in order to elucidate, precisely locate and clarify the extent of alterations [11].…”
Section: Introductionmentioning
confidence: 99%