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Hydrops Fetalis and Trisomy 21-Report of a Case

胎性水腫與第二十一對三染色體-病例報告

摘要


染色體異常在非免疫型胎性水腫是屬罕見的致病因,約佔非免疫型胎性水腫活產兒的7%,其中以第十三、十八、與二十一對三染色體為最常見。胎性水腫的外觀,容易令人忽略三染色體異常特有的臨床表徵。本文強調第二十一對三染色體異常在非免疫型胎性水腫,週產前後的鑑別診斷。

並列摘要


A case of trisomy 21 associated with nonimmunologic hydrops fetalis (NIHF) is presented. As Rh isoimmunization has markedly declined, nonimmunologic hydrops fetalis has become the most common type. Only 25 cases (trisomy 21, n-17; trisomy 18, n-6; trisomy 13, n-2) has been previously reported till 1986. The association between NIHT and chromosomal trisomies is stiIl remain unknown. Their features are often distorted by edema, this obscuring the phenotypic characteristics of the common trisomies. This case emphasize chromosomal abnormalities should always be considered in the differential diagnosis of NIHF in the fetus and neonate.

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