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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Accuracy of sonography with a hydration test in differentiating between excretory renal obstruction and renal sinus cysts.
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Accuracy of sonography with a hydration test in differentiating between excretory renal obstruction and renal sinus cysts.

机译：超声检查与水合作用的准确性，以区分排泄性肾梗阻和肾窦囊肿。

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PURPOSE: The aim of this prospective study was to determine whether sonography with a hydration test to induce diuresis can be used to reliably differentiate between excretory renal obstruction and renal sinus cysts. METHODS: We performed sonographic examination of all patients diagnosed with minimal or moderate obstruction of the intrarenal collecting system or renal sinus cysts on the basis of excretory urography, CT, or both between September 1, 1998, and October 31, 1999. The largest fluid-filled structures in the renal sinus were sonographically measured before and after each patient ingested 1.5 l of water. Cases in which the maximum diameters of the largest anechoic structures increased by at least 10% after hydration were diagnosed with excretory renal obstruction. The sonographic diagnoses were compared with the final diagnoses on excretory urography, CT, or both. RESULTS: Both kidneys were affected in 16 of the 36 patients examined, for a total of 52 kidneys. The sonographic diagnosis was consistent with the results of urography or CT in 48 (92%) of the 52 kidneys. The sonographic approach had a specificity of 92% and a sensitivity of 93% for the diagnosis of excretory renal obstruction, with only 1 false-negative and 3 false-positive results. CONCLUSIONS: When used with the stimulated diuresis test, sonography can reliably distinguish between excretory renal obstruction and renal sinus cysts and can be used as an alternative to other imaging techniques such as urography.
机译：目的：这项前瞻性研究的目的是确定超声检查是否可以通过水化试验诱导利尿，从而可靠地区分排泄性肾梗阻和肾窦囊肿。方法：我们对所有诊断为1998年9月1日至1999年10月31日之间的泌尿系尿路造影，CT或两者兼有的肾内收集系统或肾窦囊肿有最小或中度阻塞的患者进行了超声检查。在每位患者摄入1.5升水之前和之后，通过超声检查测量肾窦中充满的结构。水化后最大消声结构的最大直径增加至少10％的病例被诊断为排泄性肾脏梗阻。将超声检查的诊断结果与排尿造影，CT或两者的最终诊断结果进行比较。结果：在检查的36位患者中，有16位患者的两个肾脏都受到了影响，总共52个肾脏。超声检查与52个肾脏中的48个肾脏（92％）的尿路造影或CT检查结果一致。超声检查法诊断排泄性肾梗阻的特异性为92％，敏感性为93％，只有1个假阴性和3个假阳性结果。结论：当与刺激性利尿试验一起使用时，超声检查可以可靠地区分排泄性肾脏梗阻和肾窦囊肿，并可作为泌尿造影术等其他成像技术的替代方法。

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