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Clinical feasibility study of extracranial carotid arteries magnetic resonance angiography using PETRA-MRA

Yue Qin¹, Xin Li¹, Yinhu Zhu¹, Dayong Jin¹, Yifan Qian¹, Juan Tian¹, Liyao Liu¹, Yanqiang Qiao¹, and Shaoyu Wang²
¹XIAN DAXING HOSPITAL, Xi'an, China, ²MR Scientific Marketing, Siemens Healthineers, Xi'an, China

PETRA-MRA has good SNR and fewer susceptibility artifacts. In this study we found that PETRA-MRA showed significantly higher image quality and better visualized extracranial carotid arteries.

MIP of the coronary right ICA (A) of TOF-MRA showing an obvious flow dephasing artifact within the vessel lumen.

Corresponding images of PETRA-MRA are shown as (B)with no sign of any dephasing artifact.