Abstract #4665

One shot 3D flow sensitive cine MR imaging using improved motion sensitized driven equilibrium(iMSDE)

Nao Kajihara¹, Tomohiko Horie¹, Syuhei Shibukawa^1,2, Susumu Takano¹, Toshiki Saito¹, Makoto Obara³, Tetsuo Ogino³, Tetsu Niwa⁴, and Yutaka Imai⁴

¹Department of Radiology, Tokai University Hospital, Kanagawa, Japan, ²Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan, ³Healthcare department, Philips Electronics Japan, Tokyo, Japan, ⁴Department of Radiology, Tokai University School of Medicine, Kanagawa, Japan

Dynamic improved motion-sensitized driven-equilibrium steady-state free precession (dynamic iMSDE SSFP) has been introduced to visualize the irregular flow of cerebrospinal fluid (CSF), which obtains this data in 2D. To improve visibility of CSF space at a wide range, we here proposed a new technique using 3D-free factor. The results showed that fluid motions were sensitively suppressed by iMSDE, similar to 2D acquisition. Thus, this technique may detect irregular CSF motion at the wide range.

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