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Evaluation of 3D pr...
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Boll, MånsLund University,Skåne University Hospital
(författare)
Evaluation of 3D printed contrast detail phantoms for mammography quality assurance
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:1a846998-b43a-4388-b5b8-296bc0ff23f0
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https://lup.lub.lu.se/record/1a846998-b43a-4388-b5b8-296bc0ff23f0URI
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https://doi.org/10.1117/12.2625732DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:kon swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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Objects created by 3D printers are increasingly used in various medical applications. Today, affordable 3D printers, using Fused Deposition Modeling are widely available. In this project, a commercially available 3D printer was used to replicate a conventional radiographic contrast detail phantom. Printing materials were selected by comparing their x-ray attenuation properties. Two replicas were printed using polylactic acid, with different filling patterns. The printed phantoms were imaged by a clinical mammography system, using automatic exposure control. Phantom images were visually and quantitively compared to images of the corresponding conventional contrast detail phantom. Visual scoring of the contrast detail elements was performed by a medical physics student. Contrast-to-noise ratio (CNR) was calculated for each phantom element. The diameter and thickness of the smallest visible phantom object were 0.44 mm and 0.09 mm, respectively, for both filling patterns. For the conventional phantom, the diameter and thickness of the smallest visible object were 0.31 mm and 0.09 mm. Visual inspection of printed phantoms revealed some linear artefacts. These artefacts were however not visible on mammographic projections. Quantitively, average CNR of printed phantom objects followed the same trend with an increase of average CNR with increasing disk height. However, there is a limitation of detail objects with disk diameters below 1.25 mm, caused by the available nozzle size. Based upon the encouraging results, future work will explore the use of different materials and smaller nozzle diameters.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Vent, TrevorHospital of the University of Pennsylvania
(författare)
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Tomic, HannaLund University,Lunds universitet,Diagnostisk radiologi, Malmö,Forskargrupper vid Lunds universitet,Medicinsk strålningsfysik, Malmö,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Radiology Diagnostics, Malmö,Lund University Research Groups,Medical Radiation Physics, Malmö,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital(Swepub:lu)ha8665to
(författare)
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Bernhardsson, ChristianLund University,Lunds universitet,Medicinsk strålningsfysik, Malmö,Forskargrupper vid Lunds universitet,Medical Radiation Physics, Malmö,Lund University Research Groups,Skåne University Hospital(Swepub:lu)med-cab
(författare)
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Dustler, MagnusLund University,Lunds universitet,Diagnostisk radiologi, Malmö,Forskargrupper vid Lunds universitet,Medicinsk strålningsfysik, Malmö,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Radiology Diagnostics, Malmö,Lund University Research Groups,Medical Radiation Physics, Malmö,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital(Swepub:lu)med-mdu
(författare)
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Tingberg, AndersLund University,Lunds universitet,Medicinsk strålningsfysik, Malmö,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Medical Radiation Physics, Malmö,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital(Swepub:lu)rfa-ati
(författare)
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Bakic, Predrag R.Lund University,Lunds universitet,Diagnostisk radiologi, Malmö,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Radiology Diagnostics, Malmö,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Hospital of the University of Pennsylvania,Skåne University Hospital(Swepub:lu)pr1633ba
(författare)
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Bosmans, Hilde
(redaktör/utgivare)
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Marshall, Nicholas
(redaktör/utgivare)
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Van Ongeval, Chantal
(redaktör/utgivare)
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Lund UniversitySkåne University Hospital
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:16th International Workshop on Breast Imaging, IWBI 2022: SPIE122861996-756X0277-786X9781510655843
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Boll, Måns
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Vent, Trevor
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Tomic, Hanna
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Bernhardsson, Ch ...
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Dustler, Magnus
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Tingberg, Anders
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Bakic, Predrag R ...
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Bosmans, Hilde
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Marshall, Nichol ...
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Van Ongeval, Cha ...
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