Endoscopic ultrasound and multi-slice spiral CT portal venography in diagnosis and treatment of portal hypertension
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摘要: 超声内镜和多层螺旋CT门静脉成像技术是目前评估门静脉及其侧支循环情况的两种有效检测手段。前者能清晰显示食管壁内外及其周围的血管影像,包括交通支情况,但仍属侵入性操作;后者能完整显示门静脉及其侧支循环的走行及分级,但对直径较小的黏膜下静脉检出欠理想;二者各有优势,对门静脉高压进行全面系统的评估,对个体化治疗及管理具有十分重要的临床指导意义。
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关键词:
- 高血压,门静脉 /
- 腔内超声检查 /
- 体层摄影术,螺旋计算机
Abstract: At present,endoscopic ultrasound and multi- slice spiral CT portal venography are effective methods to assess the portal vein and collateral circulation. Endoscopic ultrasound can clearly show the blood vessels inside and outside the esophageal wall and in surrounding tissues,as well as the image of perforating branches,but it is still an invasive procedure. Multi- slice spiral CT portal venography can show the arrangement and architecture of the portal vein and its collaterals completely,but it cannot detect the submucosal veins with a small diameter ideally. These two methods have their own advantages and can give a systematic and complete evaluation of portal hypertension,which plays an important role in individualized treatment and management.-
Key words:
- hypertension /
- portal /
- endosonography
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