中国医科大学附属第一医院
男、58岁,发作性头晕伴右上肢麻木无力4个月。
高血压20年。
问题一答案:D
问题二答案:C
问题三答案:B
1.DSA显示病灶与颅内动脉血管相连,判断为动脉血管源性病变。
2.MRI高分辨平扫显示病灶为动脉粥样硬化斑块,可诊断为颅内动脉粥样硬化斑块。
3.MRI高分辨增强扫描,进一步显示斑块内成分及纤维帽强化情况,将斑块分为稳定型及非稳定型。
参考文献
1. Kim YS,Lim SH,Oh KW,et a1.The advantage of high-resolution MRI in evaluating basilar plaques:a comparison study with MRA[J].Atherosclerosis,2012,224(2):411-416.
2. Kwee RM,van Oostenbrugge RJ,Mess WH,et a1.MRI of carotid atherosclerosis to identify TIA and stroke patients who are at risk of a recurrence[J].J Magn Reson Imaging,2013,37 (5):1189—1194.
3. Xu X,Ju H,Cai J,et a1.High-resolution MR study of the relationship between superficial calcification and the stability of carotid atherosclerotic plaque[J].Int J Cardiovasc Imaging, 2010.26 Suppl 1:143—150.
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