1、VUR的影像学检查以超声作为首选,包括常规超 声及超声造影。 2、传统的X线排尿膀胱尿道造影及CT检查也是VUR 仍然使用的方法。 3、MRI检查具有很高的敏感性、特异性,没有辐射损 伤,特别适用于小儿的VUR检查与诊断。
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Coronal turbo-FLASH
Coronal HASTE
images before bladder filling show reduction of the volume and parenchymal thickness of both kidneys, more severe on the left side,suggesting reflux nephropathy.
VCU证实右侧Ⅲ型反流。 注意:右侧输尿管膀 胱结合部憩室
Eleven-month-old boy with grade 3 reflux in the right ureterorenal unit detected on VCUG, but not on MRVC.男,11个 月,右侧膀胱输尿管反流Ⅲ型经VCUG查出,而MRVC却不能诊断。
膀胱充盈前,肾盂容 Thirteen-year-old boy with bilateral grade 4 reflux 积小、肾实质变薄 detected on both VCUG and MRVC. 男,13岁Ⅳ型,左侧显著,提示RN
The grade of reflux on MRVC is concordant with that of VCUG
超声发现双侧肾盂积水,由 MR常规T2WI证实。
MR排尿膀胱尿道造影证实右侧4期VUR(冠、矢、轴位压脂T1WI)
European Journal of Radiology 82 (2013) e112–e119