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Mosaic Turner Syndrome Presenting with a 46,XY Karyotype

机译:马赛克特纳综合征呈现46,XY核型

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Although Turner syndrome is most commonly associated with a 45,X genotype, other mosaic genotypes are present in approximately half of all cases. We describe a case of Turner syndrome with a 46,XY genotype by conventional 5-cell karyotype who was subsequently found to have a mosaic genotype of 18% 45,X and 82% 46,XY by 50-cell FISH analysis. Individuals with a mosaic 45,X/46,XY genotype have a variety of phenotypic presentations ranging from male to female which are not correlated with the percentage of mosaicism. Our case represents an extreme example where the genotype is predominately 46,XY and the phenotype typical of Turner syndrome.
机译:虽然特纳综合征最常见于45,X基因型,但其他马赛克基因型在大约一半的情况下存在。我们描述了一种具有46,XY基因型的特纳综合征的案例,其随后被发现具有18%45,X和82%46,XY的镶嵌基因型,通过50细胞鱼分析。具有马赛克45,X / 46,XY基因型的个体具有从男性到雌性的各种表型呈现,其与马赛克主义的百分比没有相关。我们的案例代表了一个极端的例子,其中基因型主要是46,xy和典型的旋转器综合征的表型。

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