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
Seirei hamamatsu general hospital,
hamamatsu, shizuoka, Japan,
healthcare, Tokyo, Japan,
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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