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应用脉冲动脉自旋标记 MRI 灌注评估伽玛刀治疗动静脉畸形的反应。

Response of arteriovenous malformations to gamma knife therapy evaluated with pulsed arterial spin-labeling MRI perfusion.

机构信息

Department of Radiology, Wake Forest University Medical Center, Winston-Salem, NC, USA.

出版信息

AJR Am J Roentgenol. 2011 Jan;196(1):15-22. doi: 10.2214/AJR.10.5290.

DOI:10.2214/AJR.10.5290
PMID:21178042
Abstract

OBJECTIVE

The goal of this study was to use pulsed arterial spin-labeling (PASL) MRI to evaluate the effect of gamma knife treatment on arteriovenous malformation (AVM) blood flow by measuring perfusion of the AVM nidus and nearby vascular territories.

CONCLUSION

PASL can show and quantify the steal phenomena and the relative flow rates within the AVM nidus and may be used to follow AVM perfusion over time to assess treatment efficacy.

摘要

目的

本研究旨在使用脉冲动脉自旋标记（PASL）MRI 通过测量动静脉畸形（AVM）病灶和附近血管区域的灌注来评估伽玛刀治疗对 AVM 血流的影响。

结论

PASL 可显示和量化 AVM 病灶内的盗血现象和相对血流率，并可用于随时间评估 AVM 灌注以评估治疗效果。

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