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Journal of the Korean Society of Pediatric Nephrology 2008;12(2): 262-266. doi: https://doi.org/10.3339/jkspn.2008.12.2.262
다낭 형성 이상을 보이는 융합된 교차성 신전위 1례
서은민, 심은정, 이관섭
1한림대학교 의과대학 소아학교실
2한림대학교 의과대학 소아학교실
3한림대학교 의과대학 영상의학과학교실
A Case of Crossed Fused Renal Ectopia with Multicystic Dysplasia
Eun-Min Seo, Eun-Jung Shim, Kwan-Seob Lee
1Department of Pediatrics, College of Medicine, Hallym University
2Department of Pediatrics, College of Medicine, Hallym University
3Department of Radiology, College of Medicine, Hallym University
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ABSTRACT
Crossed renal ectopia is a congenital malformation in which both kidneys lie on the same side of the spine, usually side by side longitudinally. More often on the right side. Fusion of the two renal units is eight times more common than nonfusion. Although crossed renal ectopia is uncommon, this unusual entity must be considered in an infant when cystic mass in the abdomen or pelvis paticularly if no kidney can be found on the opposite side. In many cases of crossed fused ectopia with multicystic dysplastic kidney(MCDK), the diagnosis can be strongly suspected from the sonogram, and no other studies may be necessary. However, both intravenous urography and isotope renography is useful to assess the function of the crossed kidney. Crossed renal ectopia and MCDKs are associated with a greater incidence of ureteropelvic junction obstruction and reflux. So, screening voiding cystourethrography should be performed. Very few studies of MCDK in the setting of crossed fused ectopia have been reported. We have experienced a 3-year-old boy with crossed fused renal ectopia with multicystic dysplasia.
Key words: Crossed renal ectopia | Multicystic dysplastic kidney
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