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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