Melekos M D, Kosti P N, Zarakovitis I E, Dimopoulos P A
Department of Urology, University of Patras School of Medicine, Greece.
Eur J Radiol. 1998 Aug;28(1):62-6. doi: 10.1016/s0720-048x(97)00106-x.
Milk of calcium renal cysts contain a colloidal suspension of calcium crystals. By routine radiography and sonography in supine position this rare condition may be misinterpreted as renal lithiasis for which an unnecessary surgical intervention may be performed as it happened in our two cases that are presented here. Postoperatively, the characteristic finding of half-moon contour on upright abdominal plain views was lacking in one case, but in both cases computed tomography revealed the typical calcific suspension layering. However, upright plain views and computed tomography are not routinely performed in patients in whom a renal stone has initially been considered. This entity should be considered in the differential diagnosis of renal paracalyceal calcifications of obscured origin.
肾钙乳囊肿含有钙晶体的胶体悬浮液。通过常规仰卧位X线摄影和超声检查，这种罕见情况可能被误诊为肾石病，正如我们这里呈现的两例病例那样，可能会进行不必要的手术干预。术后，一例患者立位腹部平片缺乏半月形轮廓这一特征性表现，但两例患者的计算机断层扫描均显示出典型的钙化悬浮分层。然而，对于最初被认为患有肾结石的患者，通常不会常规进行立位平片和计算机断层扫描。在鉴别诊断不明来源的肾盏旁钙化时应考虑到这种情况。
