Crossed renal ectopia. Report of two cases and literature review

Renal ectopia is a malformative uropathy classified as simple and crossed. The authors report two patients with renal ectopia (one case of ERC without fusion and one case of ERC with fusion). The authors review the literature about crossed renal ectopia and discuss the importance of early diagnosis and the advantage of thorough investigation in order to exclude associated anomalies.