两侧肾脏的上极或下极相融合成马蹄肾，发病率为1/500～1000，男女比例为4:1。马蹄肾发生在胚胎早期，是两侧肾脏胚胎在脐动脉之间被紧挤而融合的结果。此症首先由Decarpi在1521年尸检中发现，Botallo（1564年）做了全面描述并示以图解，Morgagni（1820年）报道了第一例有并发症的马蹄形肾病人。
马蹄肾 horseshoe kidney ; Marty kidney
马蹄形肾 horseshoe kidney
马蹄形肾脏 horseshoe kidney
分叶肾、融合肾和马蹄形肾 Lobulated, fused, and horseshoe kidney
·2,447,543篇论文数据，部分数据来源于NoteExpress
肾盂鳞状细胞癌不多见，常合并结石、慢性炎症或马蹄肾。
Squamous cell carcinoma of the renal pelvis is an uncommon tumor that is associated with calculi, chronic infection and perhaps with horseshoe kidney.
马蹄型肾合并左下腔静脉是相当罕见的病例。
The association of horseshoe kidney with left inferior vena cava is rare.
目的：探讨马蹄形肾并发肾细胞癌的诊断与治疗，并结合胚胎发生学进展初步分析其发生的可能原因。
Purpose:To investigate the diagnosis and the treatment of renal cell carcinoma(RCC) in horseshoe kidney and evaluate the relationship between the embryology of the horseshoe kidney and tumorogenesis.
应用推荐