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태아의 낭성 신질환으로는 다낭성 이형신 (multicystic dysplastic kidney), 상염색체 열성 다낭신 (autosomal recessive polycystic kidney), 상염색체 우성 다낭신 (autosomal do minantpolycystic kidney), 요로 폐색에 의한 낭성 이형성 (obstructive cystic dysplasia), 단순 신낭종,아 산전 초음파에서 진단된 각 낭성 신질환의 산전 초음파 소견 및 출생 후 초음파 소견, 병리소견 등을 비교하고 그 감별점을 분석하고자 하였다.


The renal cystic diseases of the fetus consist of variable types of multicystic dysplastic kidney, autosomal recessive polycystic kidney, autosomal dominant polycystic kidney, obstructive cystic renal dysplasia, simple renal cyst, medullary cystic disease, and various syndromes with associated cystic renal diseases. Prenatal US findings of renal cystic diseases were compared and analyzed with the pathologic and postnatal US findings to establish the differential points of renal cystic diseases.