Kamholtz R G, Cronan J J, Dorfman G S
Department of Diagnostic Imaging, Brown University Program in Medicine, Providence, RI.
Radiology. 1989 Jan;170(1 Pt 1):51-3. doi: 10.1148/radiology.170.1.2642347.
To assess the significance of the ultrasonographic (US) demonstration of grade 1 hydronephrosis, the abdominal or renal sonograms of 370 patients were retrospectively reviewed. In 80 patients, there was a clinical suspicion of renal obstruction. Grade 1 hydronephrosis was observed in 33 of the 80 patients, and obstruction was confirmed in 17 of those 33 patients (51.5%). In 290 patients, US was performed for reasons other than a suspicion of renal obstruction. Grade 1 hydronephrosis was observed in 37 of the 290 patients. Three of the 37 patients were excluded from further consideration due to lack of follow-up. Obstruction was confirmed in two of the remaining 34 patients (6%). It appears that grade 1 hydronephrosis is significant when the clinical question of renal obstruction is raised. As an incidental finding, however, it is unlikely to indicate obstruction.
为评估超声（US）显示的1级肾积水的意义，我们回顾性分析了370例患者的腹部或肾脏超声图像。其中80例患者临床上怀疑有肾梗阻。80例患者中有33例观察到1级肾积水，这33例患者中有17例证实存在梗阻（51.5%）。另外290例患者因非肾梗阻怀疑原因而行超声检查。290例患者中有37例观察到1级肾积水。37例患者中有3例因缺乏随访而未进一步纳入分析。其余34例患者中有2例证实存在梗阻（6%）。当临床上提出肾梗阻问题时，1级肾积水似乎具有重要意义。然而，作为偶然发现，它不太可能提示梗阻。
