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目的通过患儿肾积水各种影像学检查方法在诊断中所起作用的对比分析,评价各自的应用价值。方法对50例临床拟诊肾积水的患儿进行超声、IVP、CT扫描和MRU检查,对各项检查结果进行评价并与手术后结果对比分析,评价其诊断应用价值。结果 MRI具有无创性,可以得到多角度、多层面的扫描图像,而MRU技术不用造影剂即可显示全尿路影像,可以明确肾积水程度并清楚显示梗阻部位,检查显示,输尿管狭窄44例,其中双侧狭窄7例,一侧多处狭窄1例,合并输尿管开口高位2例,合并对侧多囊性肾发育不良2例;重复肾盂双输尿管畸形4例,其中伴输尿管囊肿3例,伴巨输尿管1例;马蹄肾1例;尿道憩室1例。结论 MRI扫描诊断明确,MRU技术具有最重要的补充作用。
Objective To compare the effects of different imaging methods of hydronephrosis in diagnosis of children and evaluate their respective application value. Methods 50 cases of clinically diagnosed hydronephrosis in children with ultrasound, IVP, CT scan and MRU examination of the results of the examination and evaluation of postoperative results and comparative analysis to evaluate the diagnostic value. Results MRI was noninvasive, can get multi-angle, multi-level scan images, MRU technology without contrast agent can show the whole urinary tract imaging, you can clear the degree of hydronephrosis and clearly show the site of obstruction, examination showed that 44 cases of ureteral stricture , Including bilateral stenosis in 7 cases, multiple side stenosis in 1 case, combined with high ureteral opening in 2 cases, with contralateral polycystic kidney dysplasia in 2 cases; repeated renal pelvis double ureteral deformity in 4 cases, including ureteral cyst in 3 cases, With giant ureter in 1 case; horseshoe kidney in 1 case; urethral diverticulum in 1 case. Conclusion MRI scan diagnosis clear, MRU technology has the most important complementary role.