磁共振电影成像中偶然出现的零信号伪影揭示了脊髓空洞症的流体动力学和脊髓运动。
Syringomyelia Fluid Dynamics and Cord Motion Revealed by Serendipitous Null Point Artifacts during Cine MRI.
机构信息
From the Division of Neurosurgery (C.M.H.), University of Manitoba Health Sciences Centre, Winnipeg, Manitoba, Canada
Department of Radiology (K.W.M.), University of California, San Francisco, Benioff Children's Hospital, Oakland, California.
出版信息
AJNR Am J Neuroradiol. 2017 Sep;38(9):1845-1847. doi: 10.3174/ajnr.A5328. Epub 2017 Jul 27.
Abstract
Dynamic MR imaging was used to evaluate a cervical syrinx in an adolescent boy with an associated hindbrain herniation. Null artifacts were present on one of the sequences that allowed simultaneous high-resolution visualization of syrinx fluid motion and the anatomy of the syrinx walls. A brief review of the theories of syrinx formation and propagation is provided with a comment on why the Williams "slosh" theory of syrinx progression is supported by our unique imaging.
摘要
动态磁共振成像用于评估一名青少年男孩的颈椎脊膜膨出，该男孩伴有后脑疝。其中一个序列存在零伪影，该序列允许同时高分辨率地观察脊液运动和脊膜囊壁的解剖结构。本文简要回顾了脊膜膨出形成和传播的理论，并就为什么我们的独特成像支持威廉姆斯“晃动”理论来解释脊膜膨出的进展进行了讨论。
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