Volumetry in magnetic particle imaging

Julia Wernecke; Matthias Gräser; Martin Möddel; Tobias Mummert; Michael Gerhard Kaul; Harald Ittrich; Johannes Martin Salamon

doi:10.18416/IJMPI.2020.2009057

International Journal on Magnetic Particle Imaging IJMPI
Vol. 6 No. 2 Suppl 1 (2020): Int J Mag Part Imag
https://doi.org/10.18416/IJMPI.2020.2009057

Proceedings Articles

Volumetry in magnetic particle imaging

Julia Wernecke (Universitätsklinikum Hamburg-Eppendorf), Matthias Gräser , Martin Möddel , Tobias Mummert , Michael Gerhard Kaul , Harald Ittrich , Johannes Martin Salamon

Abstract

In this work, we investigate the suitability of MPI as a volumetry tool for the determination of retrograde voiding cystography of the bladder. Measurements were performed in two different experimental coil settings: first with a novel gradiometer providing three orthogonal channels and second a single-channel gradiometer at varying gradient strengths. The volumes were calculated using two different approaches: a calibration approach based on the amount of SPIOs and a threshold approach. We show that with both approaches MPI volumetry is feasible. Finally we present initial in vivo results of a retrograde voiding cystography in rats.

Int. J. Mag. Part. Imag. 6(2), Suppl. 1, 2020, Article ID: 2009057, DOI: 10.18416/IJMPI.2020.2009057

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