【摘 要】
：
背景：静脉畸形是常见的体表软组织静脉畸形。到目前为止，对其形态的认识来自普通的静脉造影X线摄片、CT平扫、MRI平扫和微观的病理结构观察，对其立体形态的观察尚未见报道。方法：我们采用向静脉畸形窦腔内注射造影剂碘普罗胺、注射后立刻行CT扫描、然后再进行三维重建的方法成功获得静脉畸形的三维成像。结果：根据血液回流的特征，我们将静脉畸形分为快速回流型和慢速回流型。快速回流型静脉畸形有粗大的回流静脉，与主
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背景：静脉畸形是常见的体表软组织静脉畸形。到目前为止，对其形态的认识来自普通的静脉造影X线摄片、CT平扫、MRI平扫和微观的病理结构观察，对其立体形态的观察尚未见报道。方法：我们采用向静脉畸形窦腔内注射造影剂碘普罗胺、注射后立刻行CT扫描、然后再进行三维重建的方法成功获得静脉畸形的三维成像。结果：根据血液回流的特征，我们将静脉畸形分为快速回流型和慢速回流型。快速回流型静脉畸形有粗大的回流静脉，与主干静脉相通，血液回流速度快。慢速回流型静脉畸形没有明显的造影可见的回流静脉，而是通过小静脉或微静脉回流入周围组织并进一步回流入主干静脉。结论：初步研究结果显示窦腔造影CTA三维成像能清晰显示静脉畸形的立体形态、准确地定位病变和它与主干血管的关系，对选择合适的治疗方法有一定指导作用。
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