Abstract #1633

Cholesterol gallstones can be depicted as positive signal using three dimensional ultra-short echo-time at 3T MR scanner

Mamoru Takahashi¹, Yasuo Takehara², Kenji Fujisaki¹, Tomoyuki Okuaki ³, Yukiko Fukuma³, Norihiro Tooyama¹, Katsutoshi Ichijo¹, Tomoyasu Amano¹, and Harumi Sakahara⁴

¹Radiology, Seirei Mikatahara General Hospital, Hamamatsu, Japan, ²Hamamatsu University Hospital, Hamamatsu, Japan, ³Philips Electronics Japan, Ltd., Tokyo, Japan, ⁴Hamamatsu University School of Medicine, Hamamatsu, Japan

Using 3D dual echo UTE sequence, all cholesterol gallstones were able to be detected as positive signal in-vitro. Our study may indicate that UTE has an added value of depicting impacted stones or hepatolithiasis as positive signal. In initial clinical experiences, cholesterol gallstones were also successfully visualized as positive signal with UTE.

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