Computer-assisted solid lung nodule 3D volumetry on CT: influence of scan mode and iterative reconstruction: a CT phantom study.
Objective: To evaluate the effect of high-resolution scan mode and iterative reconstruction on lung nodule 3D volumetry.Methods: Solid nodules with various sizes (5, 8, 10 and 12 mm) were placed inside a chest phantom. CT images were obtained with various tube currents, scan modes (conventional mode...
| Publicado en: | Japanese Journal of Radiology Vol. 31; no. 10; pp. 677 - 685 |
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| Autores principales: | , , , |
| Formato: | research Journal Article |
| Publicado: |
Springer Nature
Oct2013
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104105286&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104105286 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 18671071 AUCM jtl: Japanese Journal of Radiology issn: 18671071 maglogo: N pubinfo: dt: Oct2013 vid: 31 iid: 10 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 104105286 NLM23955317 2012341638 10.1007/s11604-013-0235-3 NLM23955317 104105286 ppf: 677 ppct: 8 formats: fmt: @attributes: type: P tig: atl: Computer-assisted solid lung nodule 3D volumetry on CT: influence of scan mode and iterative reconstruction: a CT phantom study. aug: au: Coenen, Adriaan Honda, Osamu van der Jagt, Eric J Tomiyama, Noriyuki affil: Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita City, Osaka, 565-0871, Japan, adriaancoenen@gmail.com. sug: subj: Imaging, Three-Dimensional Phantoms, Imaging Radiographic Image Interpretation, Computer-Assisted Methods Solitary Pulmonary Nodule Radiography Tomography, X-Ray Computed Methods Human Software ab: Objective: To evaluate the effect of high-resolution scan mode and iterative reconstruction on lung nodule 3D volumetry.Methods: Solid nodules with various sizes (5, 8, 10 and 12 mm) were placed inside a chest phantom. CT images were obtained with various tube currents, scan modes (conventional mode, high-resolution mode) and iterative reconstructions [0, 50 and 100 % blending of adaptive statistical iterative reconstruction (ASiR) and filtered back projection]. The nodule volumes were calculated using semiautomatic software and compared with the assumed volume from the nodules.Results: The mean absolute and relative percentage error improved when using iterative reconstruction especially when using the conventional scan mode; however, this effect was not significant. Significant reduction in volume overestimation was observed when using high-resolution scan mode (P = 0.011).Conclusion: The high-resolution mode significantly reduces the volume overestimation of 3D volumetry. Iterative reconstruction shows a reduction in volume overestimation and error margin especially with the conventional scan mode; however, this effect was not significant. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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