International Journal on Magnetic Particle Imaging IJMPI
Vol. 6 No. 2 Suppl 1 (2020): Int J Mag Part Imag

Proceedings Articles

Organ specific mouse head coil for improved image quality in magnetic particle imaging

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Matthias Gräser (University Medical Center Hamburg Eppendorf), Tom Liebing , Patryk Szwargulski , Fynn Förger , Florian Thieben , Peter Ludewig , Tobias Knopp 


Magnetic particle imaging is a very useful tool in the detection of stroke. To study the ability of stroke in a mouse model the data acquisition is challenging as a mouse brain contains only a very small ratio of blood compared to large animals or humans. The effective concentration within the whole organ is therefore very small, especially compared to the heart or the liver. Typical MPI receiver coils however cover a sensitive region of around 30 mm to 50 mm and have a bore size of above 40 mm. This leads on the one hand to non-optimal signal coupling due to the distance to the particles and on the other hand strong signals from the heart can cause artifacts in the low signal regions. In this work we present a coil optimized for mouse brain imaging, which due to its small size, also dampens signal from regions outside of the coil.


Int. J. Mag. Part. Imag. 6(2), Suppl. 1, 2020, Article ID: 2009046, DOI: 10.18416/IJMPI.2020.2009046

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