Sage M R, Lawson A D, Marshall V R, Ryall R L
Clin Radiol. 1982 Jul;33(4):435-8. doi: 10.1016/s0009-9260(82)80313-9.
A review of the urographic findings in 200 patients with renal colic due to urolithiasis demonstrated radiological evidence of medullary sponge kidney in 34, an incidence of 17%. In the majority, the diagnosis was readily made and the changes were bilateral and extensive. This relatively high incidence suggests that medullary sponge kidney may be a contributing factor in a population already predisposed to calculus formation because of other factors such as diet and dehydration.
对200例因尿路结石导致肾绞痛患者的尿路造影结果进行回顾显示，34例有髓质海绵肾的放射学证据，发生率为17%。大多数情况下，诊断很容易做出，且改变是双侧性且广泛的。这一相对较高的发生率表明，髓质海绵肾可能是在因饮食和脱水等其他因素而已经易患结石形成的人群中的一个促成因素。
