Abstract #2113

A Preliminary study on evaluation of collateral compensatory by high-resolution CS TOF MRA and 4D flow：Case Series

Yue Ma¹, Yueluan Jiang², Dan Tong¹, Zechen Yu³, and Xinpeng Liu¹

¹Radiology, First Hospital of Jilin University, Changchun of Jilin province, China, ²MR Scientific Marketing, Diagnostic Imaging, Siemens Healthineers Ltd., Beijing, China, ³Siemens Healthineers Digital Technology (Shanghai) Co., Ltd., Changchun of Jilin province, China

Synopsis

Keywords: Stroke, Blood vesselsEvaluation of hemodynamic and geometric changes of intracranial atherosclerosis and follow-up is of great clinical significance. A comprehensive quantification of the whole collateral recruitment in the circle of Willis (CW) is needed. In this work, we combined High-resolution CS TOF-MRA and 4D Flow MRI to investigate the situation of collateral recruitment. We were able to demonstrate a new way to visual and quantify the cerebrovascular impact of a significant intracranial stenosis and the compensatory mechanism of the collaterals.

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