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Abstract #3882

Evaluation of patients of the cerebral vasculature: Comparison with Silenz MRA and 3D TOF MRA.

Kenichi Mizuki 1 , Takayuki Masui 1 , Motoyuki Katayama 1 , Kimihiko Sato 1 , Kei Tsukamoto 1 , Nami Matsunaga 2 , Miyoshi Mitsuharu 2 , Hiroyuki Kabasawa 2 , and Harumi Sakahara 3

1 Seirei hamamatsu general hospital, hamamatsu, shizuoka, Japan, 2 GE healthcare, Tokyo, Japan, 3 Hamamatsu university school of medicine, shizuoka, Japan

Silent Scan (Silenz, GEHC) is designed almost to eliminate noise during MR scanning by reducing rapid gradient switching using ultrashort TE. The purpose was to compare Silenz MRA (Silenz) based on arterial spin labeling with TOF MRA for evaluation of intracranial arteries. In 25 of 27 patients, Silenz provides homogenous SI of vasculatures and all aneurysmal lesions were recognized. In two cases, distal part of arteries were failed to visualize and aneurysm was missed. Silenz may provide information of intracranial arteries without noise. However, further optimization of Silenz might be required to constantly visualize intracranial arteries with various flow velocities.

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