Abstract #0275

MR Cerebral Angiography Using Arterial Spin Labeling for Dynamic Inflow Visualization and Vessel Selectivity

Weiying Dai^1,2, Philip M. Robson^1,2, Ajit Shankaranarayanan³, David C. Alsop^1,2

¹Radiology, Beth Israel Deaconess Medical Center, Boston, MA, USA; ²Radiology, Harvard Medical School, Boston, MA, USA; ³Applied Science Laboratory, GE Healthcare, Menlo Park, CA, USA

Digital subtraction X-ray angiography (DSA) is a widely used technique for the characterization of cerebral vessels. While MRI and CT can, in principle, provide angiographic information that could replace the riskier DSA study, these techniques typically lack the vessel selectivity and temporal resolution of DSA. Here we present the use of arterial spin labeling methods combined with balanced-SSFP acquisition to provide an MR angiographic exam more similar to DSA.