Branching pattern of lenticulostriate arteries observed by MR angiography at 3.0 T.

Japanese Journal of Radiology
Toshiaki AkashiKimihiko Kichikawa

Abstract

We hypothesized that the pattern of branching of the lenticulostriate arteries (LSAs) is involved in the variation of the distribution of the infarction within the LSA region. Our purpose was to evaluate the visibility of LSAs in 3D time-of-flight (TOF) MR angiography (MRA) with a 3.0 T scanner and to investigate the branching patterns of LSAs. We performed 3D TOF MRA at 3.0 T for 100 healthy subjects. We assessed the number of LSAs and the number of branches arising from each LSA by evaluating MRA source images. In 200 hemispheres, 330 LSAs were visualized (mean = 1.65/hemisphere). In 3.5% of all hemispheres, no LSA was depicted; one LSA was depicted in 39%, two in 46.5%, and three in 11%. The maximum number of depicted LSA branches was five in 2% of all subjects, four in 7%, three in 26%, and two in 49% (mean = 2.3/subject). A large LSA trunk with three or more branches was found in 35% of subjects. Visualization of LSAs was possible in 96.5% of subjects by use of 3.0 T MRA. LSA branching patterns were variable, and a large LSA trunk with three or more branches was common.

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Citations

Apr 7, 2016·Stroke; a Journal of Cerebral Circulation·Benno GesierichMartin Dichgans
May 26, 2017·European Radiology·Jinkyeong SungBum-Soo Kim
Feb 15, 2020·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Sandeep SoodAimee Luat
Jun 17, 2019·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Wen -Huo ChenZhi-Nan Pan
Jun 9, 2018·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Mengnan WangQi Yang
Dec 6, 2020·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Junya AokiUNKNOWN ADS investigators

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