摘要
肾重复畸形是儿童常见泌尿系统畸形之一,本文探讨肾动态显像和磁共振泌尿系水成像在其诊断中的价值。方法35例肾重复畸形进行99mTc-双半胱氨酸(EC)肾动态显像(DRS)及磁共振泌尿系水成像(MRU)检查。DRS结果以1帧/min连续显示,MRU原始图像经最大信号强度投影,重建后进行三维多角度观察。对两种方法显示的肾脏、输尿管及膀胱分别进行比较。结果35例共36个患肾,DRS诊断为重复畸形32个,灵敏度为88.9%,输尿管显影17例,一过性显影或部分显影10例,8例未显影。15例膀胱下壁有压迹或局部有放射性稀疏区。MRU共显示35个重复肾组织,灵敏度为97.2%,12例输尿管不显示,16例输尿管扩张、扭曲,14例膀胱内见"眼镜蛇头"征。结论肾动态显像能判断肾重复畸形的上下半肾功能,从而决定患肾的去留;MRU能清晰地显示肾重复畸形的解剖结构,尤其对肾功能严重受损的病例能更好地协助诊断。
Objective Duplex kidneys is one of the common abnormalities in child s urinary system.The aim of this paper is to assess the diagnostic value of dynamic renal scintigraphy(DRS)and magnetic resonance urography(MRU)in childhood deplex kidney.Methods Thirty-five cases of duplex kidney were underwent the examination of 99mTc-EC DRS and MRU.The images of DRS were displayed in continuous frames in every one minute;The raw data of MRU were reconstructed as maxmiun intensity projection and evaluated through differe...
出处
《中国医学影像技术》
CSCD
北大核心
2008年第S1期140-142,共3页
Chinese Journal of Medical Imaging Technology
关键词
肾
畸形
放射性核素显像
磁共振泌尿系成像
Kidney
Abnormalities
Radionuclide imaging
Magnetic resonance urography
