MRI showed in high signal in the vessel wall of the injured arteries after 6th week, the high signal areal range was increased and the lumen of blood vessel was stenosed after 12th week.

 
  • 球囊扩张后6周起MRI显示,患侧均出现不同程度的血管壁高信号,12周后,MRI表现为损伤血管壁高信号区增厚并管腔狭窄,对应病理学检查显示:到第6周时,血管平滑肌层增厚,内膜面有少量泡沫细胞形成,血管腔轻度狭窄;
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