Department of Radiology,Shanghai Zhongshan Hospital,Shanghai Medical College, Fudan University, Shanghai 200032,China;
Department of Vascular Surgery,Shanghai Zhongshan Hospital,Shanghai Medical College, Fudan University, Shanghai 200032,China;
Department of Radiology,Shanghai Zhongshan Hospital,Shanghai Medical College, Fudan University, Shanghai 200032,China;
magnetic resonance angiography; arteries; abnormalities;