结果静脉肾盂造影(IVP)显示肾盂、肾盏内不规则充盈缺损，肾盏积水。
Results Irregular filling defect and hydronephrosis were seen in the renal pelvis and calyces on intravenous pyelography (IVP).
图示：肾盂积水(由长期尿路阻塞引起)致肾盂肾盏明显扩张。
The renal pelvis and calyces show marked dilation, consistent with hydronephrosis, the result of chronic urinary tract obstruction.
超声显像：它可展示肾盂及肾盏的扩大程度，及可在胎儿期诊断肾积水。
Ultrasonography — This will reveal the degree of dilatation of the renal pelvis and calices and allows for diagnosis of hydronephrosis in the prenatal period.
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