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Application of SCTA of 16 slices in diagnosing and evaluating renal artery anatomy of living kidney donors in renal transplantation
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF ORGAN TRANSPLANTATION
- Issue:
- 5
- DOI:
- 10.3760/cma.j.issn.0254-1785.2006.05.005
- Key Word:
- 肾移植;活体供者;血管造影术;体层摄影术,螺旋计算机
Abstract： 目的探讨16层螺旋CT血管造影在活体供肾动脉解剖学评估中的应用价值.方法 36名亲属活体供肾者在肾切取前进行肾动脉16层螺旋CT血管造影及血管三维成像,血管三维成像方法包括容积再现技术(VR)、最大密度投影(MIP)、表面遮盖成像(SSD)、血管内镜技术(CTVE)、多平面重建(MPR)及曲面重建(CPR).结果横断面CT及MPR显示所有供者的双肾大小、形态及位置均正常,肾实质密度正常,呈均匀强化.VR、MIP、CPR显示双肾动脉粗细、形态均正常;29例双肾均为单一肾动脉,2例双肾有2支肾动脉,2例左肾为2支肾动脉,3例右肾为2支肾动脉,上述结果均在术中得到证实.11例VR及MIP同时较好地显示双侧肾小盏、肾盂及输尿管上段.SSD均能很好显示肾动脉主干的起源、大小、形态及与周围的解剖关系.CTVE能较好显示腹主动脉、双肾动脉开口及肾动脉血管内腔.结论 16层螺旋CT血管造影可作为活体肾移植术前了解供肾血管及形态的有效方法.
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