Image-based retrospective 4D MRI for different anatomical orientations

C. Paganelli, P. Summers, M. Bellomi, G. Baroni, M. Riboldi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Four-dimensional magnetic resonance imaging (4D MRI) is an emerging technique in external beam radiotherapy treatment planning to quantify organ motion. The rationale is to overcome 4D CT limitations, such as the low soft-tissue contrast and the undesired imaging dose for patients. This work presents a 4D MRI retrospective image-based sorting method for both axial and sagittal anatomical orientations. Six liver healthy volunteers were included in the study. The method accuracy was assessed by comparing the liver profile of the 4D image-based MRI with the one obtained from a standard re-sorting method based on an external surrogate. Results of the proposed method may allow accurate organ motion quantification for treatment planning purposes.

Original languageEnglish
Title of host publication2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479960972
DOIs
Publication statusPublished - Mar 10 2016
EventIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 - Seattle, United States
Duration: Nov 8 2014Nov 15 2014

Other

OtherIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014
CountryUnited States
CitySeattle
Period11/8/1411/15/14

Keywords

  • 4D MRI
  • liver
  • organ motion
  • particle therapy
  • radiotherapy
  • retrospective sorting
  • treatment planning

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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  • Cite this

    Paganelli, C., Summers, P., Bellomi, M., Baroni, G., & Riboldi, M. (2016). Image-based retrospective 4D MRI for different anatomical orientations. In 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 [7430873] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/NSSMIC.2014.7430873