Abstract #0182

Black-blood angiography of the lenticulostriate artery at 3T using a high-resolution intracranial vessel wall MR technique: a comparison validation with 7T TOF-MRA

Zihao Zhang^1,2, Zhaoyang Fan³, Qingle Kong^1,2,4, Jing An⁵, Yan Zhuo^1,2, and Qi Yang⁶

¹State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, ²The Innovation Center of Excellence on Brain Science, Chinese Academy of Sciences, Beijing, China, ³Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ⁴University of Chinese Academy of Sciences, Beijing, China, ⁵Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China, ⁶Xuanwu Hospital, Beijing, China

The lenticulostriate artery (LSA) supplies blood to the basal ganglia and its vicinity. Noninvasive imaging of the LSA could be clinically useful to understand mechanisms of microvascular pathology or guide early therapeutic intervention. In this study, we used a recently developed high-resolution intracranial vessel wall MR imaging technique to visualize the LSA in a black-blood (BB) fashion at 3T. Compared to 7T TOF-MRA, this approach can depict the LSA, particularly the stems and proximal segments, with comparable image quality.

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