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目的：结合文献探讨海绵肾影像学检查的诊断价值。材料和方法：回顾性分析了４例海绵肾的Ｂ超、Ｘ线平片及静脉尿路造影表现。结果：本组４例全部做过Ｂ超检查，其中２例做了Ｘ线平片及静脉尿路造影。Ｂ超表现为肾髓质锥体部集合小管的小囊样扩张和／或囊腔内的强回声光点。Ｘ线平片，仅见双肾实质内呈簇状排列的致密微结石影，如绽开的礼花样。静脉尿路造影片见肾锥体内呈扇形、密丛状或葡萄串状扩张的集合小管。结论：Ｂ超、Ｘ线平片、静脉尿路造影对海绵肾均有较高的诊断价值，Ｂ超简便易行，可作首选，当Ｂ超疑有海绵肾时，应做Ｘ线平片和静脉尿路造影进行对照分析。
Objective: To investigate the diagnostic value of sponge kidney imaging in combination with the literature. Materials and Methods: Four cases of sponge kidney were retrospectively analyzed by B-mode ultrasonography, plain radiography and intravenous urography. Results: All 4 patients underwent B-mode ultrasound examination. Two of them underwent X-ray and venography. B super-performance of renal medulla cone collection of small tubule-like dilation and / or cyst cavity echo points. X-ray, only to see the renal parenchyma within the arrangement of dense micro-stone shadow, such as blooming fireworks. Intravenous urinary tract see the renal cone pyramidal fan-shaped, dense cluster or grape cluster expansion of tubules. Conclusion: B-ultrasound, X-ray and intravenous urography have a high diagnostic value for sponge kidney, B-simple and easy to do, can be used as first choice, when B suspicion of sponge kidney, should do X-ray And venous urography contrast analysis.