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Abstract #0762

Development and performance evaluation of the second prototype of a RF-coil integrated PET insert for existing 3T MRI systems

Md Shahadat Hossain Akram1, Fumihiko Nishikido1, Takayuki Obata1, Mikio Suga2, Eiji Yoshida1, Hedeaki Tashima1, Keiji Shimizu3, Masanori Fujiwara2, Akram Mohammadi1, and Taiga Yamaya1

1National Institute of Radiological Sciences, Chiba, Japan, 2Chiba University, Chiba, Japan, 3Hamamatsu Photonics K.K., Hamamatsu, Japan

We developed an RF-coil integrated DOI-PET insert for the 3T MRI system for human brain imaging. In this study we have given details of the second prototype system developed recently and evaluated performance for MRI-only, PET-only and simultaneous PET/MRI conditions. This system included 24 carbon fiber shielded PET modules which are positioned in between the coil-elements of a birdcage head-coil. In total 48 4-layer DOI detectors are included that gives 60 mm axial-FOV for PET imaging. Under all performance study the system worked quite well showing promise for near-future human brain study.

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