Development of an organ-specific insert phantom generated using a 3D printer for investigations of cardiac computed tomography protocols

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dc.contributor.authorAbdullah, K. A.
dc.contributor.authorMcEntee, Mark F.
dc.contributor.authorReed, W.
dc.contributor.authorKench, P. L.
dc.date.accessioned2023-07-19T14:25:51Z
dc.date.available2023-07-19T14:25:51Z
dc.date.issued2018
dc.description.abstractIntroduction: An ideal organ-specific insert phantom should be able to simulate the anatomical features with appropriate appearances in the resultant computed tomography (CT) images. This study investigated a 3D printing technology to develop a novel and cost-effective cardiac insert phantom derived from volumetric CT image datasets of anthropomorphic chest phantom. Methods: Cardiac insert volumes were segmented from CT image datasets, derived from an anthropomorphic chest phantom of Lungman N-01 (Kyoto Kagaku, Japan). These segmented datasets were converted to a virtual 3D-isosurface of heart-shaped shell, while two other removable inserts were included using computer-aided design (CAD) software program. This newly designed cardiac insert phantom was later printed by using a fused deposition modelling (FDM) process via a Creatbot DM Plus 3D printer. Then, several selected filling materials, such as contrast media, oil, water and jelly, were loaded into designated spaces in the 3D-printed phantom. The 3D-printed cardiac insert phantom was positioned within the anthropomorphic chest phantom and 30 repeated CT acquisitions performed using a multi-detector scanner at 120-kVp tube potential. Attenuation (Hounsfield Unit, HU) values were measured and compared to the image datasets of real-patient and Catphan® 500 phantom. Results: The output of the 3D-printed cardiac insert phantom was a solid acrylic plastic material, which was strong, light in weight and cost-effective. HU values of the filling materials were comparable to the image datasets of real-patient and Catphan® 500 phantom. Conclusions: A novel and cost-effective cardiac insert phantom for anthropomorphic chest phantom was developed using volumetric CT image datasets with a 3D printer. Hence, this suggested the printing methodology could be applied to generate other phantoms for CT imaging studies. © 2018 The Authors. Journal of Medical Radiation Sciences published by John Wiley & Sons Australia, Ltd on behalf of Australian Society of Medical Imaging and Radiation Therapy and New Zealand Institute of Medical Radiation Technology.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAbdullah, K. A., McEntee, M. F., Reed, W. and Kench, P. L. (2018) 'Development of an organ‐specific insert phantom generated using a 3D printer for investigations of cardiac computed tomography protocols', Journal of Medical Radiation Sciences, 65(3), pp.175-183. doi: 10.1002/jmrs.279en
dc.identifier.doi10.1002/jmrs.279
dc.identifier.endpage183
dc.identifier.issn20513895
dc.identifier.issued3
dc.identifier.journaltitleJournal of Medical Radiation Sciencesen
dc.identifier.startpage175
dc.identifier.urihttps://hdl.handle.net/10468/14764
dc.identifier.volume65
dc.language.isoenen
dc.publisherJohn Wiley and Sons Ltden
dc.rights© 2018, the Authors. Journal of Medical Radiation Sciences published by John Wiley & Sons Australia, Ltd on behalf of Australian Society of Medical Imaging and Radiation Therapy and New Zealand Institute of Medical Radiation Technology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject3D printingen
dc.subjectCardiac insert phantomen
dc.subjectComputed tomographyen
dc.subjectComputer aided design (CAD)en
dc.subjectRapid prototypingen
dc.titleDevelopment of an organ-specific insert phantom generated using a 3D printer for investigations of cardiac computed tomography protocolsen
dc.typeArticle (peer-reviewed)en
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