Maayan A, Mashiach R, Kessler O J, Meizner I, Merlob P
Department of Neonatology, Rabin Medical Center, Beilinson Campus and Schneider Children's Medical Center of Israel, Petah Tiqva.
Am J Perinatol. 1998 Aug;15(8):499-502. doi: 10.1055/s-2007-994073.
The combination of multicystic kidney and crossed ectopia is very rare. In most of the affected children, diagnosis has been made postnatally by ultrasonographic examination to evaluate a palpated abdominal mass. We describe the third male newborn reported in the literature with a prenatally diagnosed crossed ectopic multicystic dysplastic kidney. As with isolated multicystic kidney, crossed ectopic multicystic kidney should be followed closely after birth by repeated ultrasound for spontaneous regression. Only in cases of anomalies of the contralateral (uncrossed) kidney should the question of surgical intervention be raised.
多囊肾与交叉异位同时存在的情况极为罕见。在大多数患病儿童中，是在出生后通过超声检查来评估触诊到的腹部肿块时作出诊断的。我们描述了文献中报道的第三例产前诊断为交叉异位多囊性发育不良肾的男性新生儿。与孤立性多囊肾一样，交叉异位多囊肾在出生后应通过反复超声检查密切随访，观察其是否自然消退。只有在对侧（未交叉）肾脏存在异常的情况下，才应考虑手术干预的问题。
