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46,XX/46,XY chimeric or mosaic is associated with a wide spectrum of different physical presentations, with cases ranging from having a completely normal male or female phenotype [7] [8] [9] to some cases having ovotesticular syndrome. Due to this variation, genetic testing is the only way to reliably make a diagnosis.
46,XY DSD due to luteinizing hormone resistance or luteinizing hormone beta subunit deficiency This condition is inherited in an autosomal recessive manner [ 1 ] Leydig cell hypoplasia (or aplasia ) ( LCH ), also known as Leydig cell agenesis , is a rare autosomal recessive genetic and endocrine syndrome affecting an estimated 1 in 1,000,000 ...
17β-Hydroxysteroid dehydrogenase III deficiency is a rare autosomal recessive disorder of sexual development condition that is a cause of 46,XY disorder of sex development (46,XY DSD). The impaired testosterone biosynthesis by 17β-hydroxysteroid dehydrogenase III (17β-HSD III), [ 6 ] [ 7 ] presents as atypical genitalia in affected males.
Meanwhile, XY gonadal dysgenesis is known as PGD, 46,XY or Swyer syndrome. Patients with PGD have a normal chromosomal constellation but may have localized genetic alterations. XX gonadal dysgenesis is related to Swyer syndrome, since both conditions have the same phenotype and clinical issues; however in Swyer syndrome the karyotype is 46,XY ...
For example, 46,XY,der(4)t(4;8)(p16;q22)t(4;9)(q31;q31) would refer to a derivative chromosome 4 which is the result of a translocation between the short arm of chromosome 4 at region 1, band 6 and the long arm of chromosome 8 at region 2, band 2, and a translocation between the long arm of chromosome 4 at region 3, band 1 and the long arm of ...
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XY complete gonadal dysgenesis, also known as Swyer syndrome, is a type of defect hypogonadism in a person whose karyotype is 46,XY. Though they typically have normal vulvas , [ 1 ] the person has underdeveloped gonads, fibrous tissue termed " streak gonads ", and if left untreated, will not experience puberty .
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