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Publication Detail
Acquisition Correction and Reconstruction for aClinical SPECT/MRI Insert
  • Publication Type:
    Conference
  • Authors:
    Morahan A, Erlandsson K, D'Adda I, Carminati M, Savi A, Moresco R-M, Nagy K, Nyitrai Z, Tolgyesi B, Salvado D, Mullekom PV, Fiorini C, Hutton BF
  • Publication date:
    09/04/2020
  • Status:
    Published
  • Name of conference:
    2019 IEEE Nuclear Science Symposium and Medical Imagaing Conference
  • Conference place:
    Manchester, UK
  • Conference start date:
    26/10/2019
  • Conference finish date:
    02/11/2019
  • Language:
    English
  • Keywords:
    SPECT, MRI, Image Reconstruction, Clinical, Nuclear Medicine
  • Addresses:
    Ashley Morahan
    University College London
    Inistitute Of Nuclear Medicine
    Gower Street
    London
    NW1 2BU
    United Kingdom
Abstract
The development of the first clinical simultaneousSingle Photon Emission Computed Tomography (SPECT) andMagnetic Resonance Imaging (MRI) system was carried outwithin the INSERT project. The INSERT scanner was con-structed under the initial project but its performance was notfully evaluated; here we have reconstructed the first images onthe SPECT system. Calibration and acquisition protocols weredeveloped and used to establish the clinical feasibility of the sys-tem. The image reconstruction procedures were implemented onthe first phantom images in order to assess the system’s imagingcapabilities. This study solved issues involving incomplete datasets and pixel failure in the prototype detector system. The finalimages determined a measure of trans-axial image resolution,giving average values of 9.14 mm and 6.75 mm in the radial andtangential directions respectively. The work carried out on thecomplete system produced a number of clinical phantom imageswhich utilised the capabilities of both SPECT and MRI.
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