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Abstract #1631

Design of a multimodal (1H MRI/23Na MRI/CT) anthropomorphic thorax phantom: Initial results at 3 T

Wiebke Neumann1, Florian Lietzmann1, Lothar R. Schad1, and Frank G. Zöllner1

1Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany

Anthropomorphic phantoms are an essential tool for the validation of image registration algorithms of multimodal data and are important for quantification experiments in 1H and 23Na MR imaging. A human thorax phantom was developed with insertable lung, liver, rib cage modules and tracking spheres. Evaluation regarding the tissue-mimicking characteristics with 1H and 23Na MR and CT imaging shows that the modules possess T1, T2 and HU values comparable to those of human tissues. This work presents an MR- and CT-compatible phantom which allows experimental studies for quantitative evaluation of deformable, multimodal image registration algorithms and realistic multi-nuclei MR imaging techniques.

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