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Joel Aissa
University of Düsseldorf
63Publications
8H-index
181Citations
Publications 64
Newest
Purpose To develop size-specific institutional diagnostic reference levels (DRLs) for computed tomography (CT) protocols used in neck CT imaging (cervical spine CT, cervical CT angiography (CTA) and cervical staging CT) and to compare institutional to national DRLs. Materials and Methods Cervical CT examinations (spine, n=609; CTA, n=505 and staging CT, n=184) performed between 01/2016 and 06/2017 were included in this retrospective study. For each region and examination, CTDIvol and DLP were de...
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#1O MartinH-Index: 1
#2Joel AissaH-Index: 8
Last.Christian BuchbenderH-Index: 22
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Objective:To evaluate the impact of different metal artefact reduction (MAR) algorithms on Hounsfield Units (HU) and standardized uptake values (SUV) in a phantom setting and verify these results i...
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#1Y KlosterkemperH-Index: 2
Last.Johannes BoosH-Index: 7
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Last.Joel AissaH-Index: 8
view all 6 authors...
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#2Johannes BoosH-Index: 7
Last.Joel AissaH-Index: 8
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#1C RubbertH-Index: 6
#2A. MeinekeH-Index: 3
Last.J Boos
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#1Y KlosterkemperH-Index: 2
#2Christoph ThomasH-Index: 26
Last.Johannes BoosH-Index: 7
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Rationale and Objectives To generate institutional size-specific diagnostic reference levels (DRLs) for computed tomography angiography (CTA) examinations and assess the potential for dose optimization compared to size-independent DRLs. Materials and Methods CTA examinations of the aorta, the pulmonary arteries and of the pelvis/lower extremity performed between January 2016 and January 2017 were included in our retrospective study. Water equivalent diameter (Dw) was automatically calculated for...
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#1Johannes BoosH-Index: 7
#2C RubbertH-Index: 6
Last.Y KlosterkemperH-Index: 2
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Poster: "EuroSafe Imaging 2019 / ESI-0053 / Size-specific institutional diagnostic reference levels for computed tomography of the neck" by: "J. Boos1, C. Rubbert2, L. M. Sawicki2, G. Antoch2, B. Kraus2, J. Aissa2, C. Thomas2, E. Appel2, Y. Klosterkemper2; 1University Dusseldorf, Medical Faculty, Department of Diangnstic and Interventional Radiology, 40225 Dusseldorf, Germany Dusseldorf/DE, 2University Dusseldorf, Medical Faculty, Department of Diagnostic and Interventional Radiology, 40225 Duss...
#1Joel AissaH-Index: 8
#2Edwin BölkeH-Index: 24
Last.Johannes BoosH-Index: 7
view all 11 authors...
Background To evaluate the detection rate and image quality in CT-body-packer-screening at different radiation-dose levels and to determine a dose threshold that enables a reliable detection of incorporated body packs and incidental findings with a maximum of dose saving.
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