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目的:总结三聚氰胺致婴幼儿泌尿系结石合并梗阻性肾衰的超声表现和超声诊断共同特性。方法:对38例婴儿泌尿系结石合并梗阻性肾衰病例的超声结果进行回顾性分析,并结合其临床表现、实验室检查进行总结。结果:结石下移梗阻于输尿管上段包括肾盂与输尿管移行处31例,梗阻于输尿管中段3例,梗阻于输尿管下端膀胱开口处4例。2例合并膀胱结石,4例重症患儿可见中至大量腹水。均为多发结石,结石形态多变,体积相对较大,结石梗阻于输尿管内,致患肾积水、输尿管扩张,患肾实质呈损害性改变。结论:本组病例均为泌尿系多发结石且合并梗阻性肾衰,超声检查在发现结石数目、大小、形状、位置、肾实质损害程度等方面发挥重要作用。
OBJECTIVE: To summarize the common features of ultrasonography and sonographic diagnosis of urinary calculi with obstructive renal failure induced by melamine in infants. Methods: The ultrasound findings of 38 cases of urinary calculi with obstructive renal failure were retrospectively analyzed, and their clinical manifestations and laboratory tests were summarized. Results: Ureteral stones obstruction in the upper ureter, including the pelvis and ureter migration in 31 cases, obstruction in the middle of the ureter in 3 cases, obstruction in the lower ureter of the bladder opening in 4 cases. 2 cases with bladder stones, 4 cases of severe children can see medium to large amounts of ascites. Are multiple stones, changing the shape of stones, the volume is relatively large, stone obstruction in the ureter, resulting in hydronephrosis, ureteral dilatation, harming the renal parenchymal changes. Conclusion: All the patients in this group were all urolithiasis complicated with obstructive renal failure. Ultrasound examination plays an important role in finding the number, size, shape, location and extent of renal parenchyma.