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Abstract #4028

2D-UTE based pantomography with half-pulse excitation

Kilian Stumpf1, Elena Kaye2, Jan Paul1, Stefan Wundrak3, and Volker Rasche1

1Internal Medicine II, University Hospital of Ulm, Ulm, Germany, 2Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, United States, 3Dental Imaging, Sirona Dental Systems GmbH, Bensheim, Germany

Standard imaging methods in dental radiology are almost exclusively based on X-rays. Not only does magnetic resonance imaging (MRI) avoid ionizing radiation, but has also been shown to be superior in identifying carious lesions. In this work we present a 2D-UTE sequence with an echo time of 35µs, utilizing 240µs half-pulses to ensure reduced signal attenuation from tissues with short T2 relaxation during excitation. The feasibility of the method was demonstrated with the successful acquisition of in vivo MR pantomograms.

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