Pediatric Multilocular Cystic Nephroma Extending into the Renal Pelvis and Ureter

Multilocular cystic nephroma (MCN) is a rare tumor at the most benign end\udof the spectrum of the multilocular cystic neplasms of kidney. Nephrectomy\udis curative for MCN. In this case-report, we present a 16-month-old girl with\uda 10x15 cm multilocular cystic renal tumor extending into the renal pelvis\udand proximal ureter on the right side demonstrated on magnetic resonance\udimaging. Nephrectomy was performed. The pathology was completely\udconsistent with MCN