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Image Quality and Potential Dose Reduction Using Advanced Modeled Iterative Reconstruction (Admire) in Abdominal Ct: A Review
Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Linköping University, Center for Medical Image Science and Visualization (CMIV). Region Östergötland, Center for Diagnostics, Department of Radiology in Linköping.ORCID iD: 0000-0002-4013-4615
Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Medical radiation physics.
KTH Royal Institute of Technology, Stockholm, Sweden.ORCID iD: 0000-0002-7750-1917
Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Radiology in Linköping. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0002-9446-6981
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2021 (English)In: Radiation Protection Dosimetry, ISSN 0144-8420, E-ISSN 1742-3406, Vol. 195, no 3-4, p. 177-187, article id ncab-020Article, review/survey (Refereed) Published
Abstract [en]

Traditional filtered back projection (FBP) reconstruction methods have served the computed tomography (CT) community wellfor over 40 years. With the increased use of CT during the last decades, efforts to minimise patient exposure, while maintainingsufficient or improved image quality, have led to the development of model-based iterative reconstruction (MBIR) algorithms fromseveral vendors. The usefulness of the advanced modeled iterative reconstruction (ADMIRE) (Siemens Healthineers) MBIR inabdominal CT is reviewed and its noise suppression and/or dose reduction possibilities explored. Quantitative and qualitativemethods with phantom and human subjects were used. Assessment of the quality of phantom images will not always correlatepositively with those of patient images, particularly at the higher strength of the ADMIRE algorithm. With few exceptions,ADMIRE Strength 3 typically allows for substantial noise reduction compared to FBP and hence to significant (≈30%) patientdose reductions. The size of the dose reductions depends on the diagnostic task.

Place, publisher, year, edition, pages
Oxford University Press, 2021. Vol. 195, no 3-4, p. 177-187, article id ncab-020
Keywords [sv]
Iterative rekonstruktion, bildkvalité
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:liu:diva-174704DOI: 10.1093/rpd/ncab020ISI: 000711245400009PubMedID: 33778892OAI: oai:DiVA.org:liu-174704DiVA, id: diva2:1540901
Funder
Region Östergötland
Note

Funding: ALF-grant from Region Ostergotland [LiO-602731, LIO-697941]; FoU-grant from Region Ostergotland [LIO-724631, LIO-620341]; RFoU-grant from Region Ostergotland; Medical Faculty at Linkoping University

Available from: 2021-03-30 Created: 2021-03-30 Last updated: 2024-03-25Bibliographically approved

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Kataria, BhartiNilsson Althén, JonasSmedby, ÖrjanPersson, AndersSökjer, HannibalSandborg, Michael

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Kataria, BhartiNilsson Althén, JonasSmedby, ÖrjanPersson, AndersSökjer, HannibalSandborg, Michael
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Division of Diagnostics and Specialist MedicineFaculty of Medicine and Health SciencesCenter for Medical Image Science and Visualization (CMIV)Department of Radiology in LinköpingMedical radiation physics
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Radiation Protection Dosimetry
Radiology, Nuclear Medicine and Medical Imaging

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