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Abstract #3347

En route to multiphasic anthropomorphic MR phantoms: A new mold-based approach applying gel-based preparation to real MR-datasets geometries

Adriano Troia1, Umberto Zanovello1, Luca Zilberti1, Matteo Cencini2, Michela Tosetti2,3, David Kilian4, Martina Capozza5, Wolfgang Kilian6, and Tuğba Dışpınar Gezer7
1INRIM, Turin, Italy, 2IRCCS Stella Maris, Pisa, Italy, 3IMAGO7 Foundation, Pisa, Italy, 4Centre for Translational Bone, Joint and Soft Tissue Research, Faculty of Medicine and University Hospital TUD, Dresden, Germany, 5Department of Molecular Biotechnology and Health Sciences UNITO, Turin, Italy, 6Physikalisch-Technische Bundesanstalt, Braunschweig, Germany, 7National Metrology Institute, TUBITAK, Istanbul, Turkey

Anthropomorphic phantoms for MRI imaging are rapidly evolving also thanks to the increase of 3D printing technologies. Their realization may represent an important support for the implementation of advanced quantitative imaging technique such as Magnetic Resonance Fingerprinting (MRF)or Electrical Properties Tomography (EPT). Even if formulations of gel based tissue-mimicking materials have been widely explored, generally they lacked in achieving the simultaneous tuning of electrical and relaxation properties of the mimicked tissues. In this study, customized moulds of white and grey matter are combined to realize brain-like gel phantoms in which relaxation times, conductivity and permittivity have been measured.

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