gonadoblastoma/reductase

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Gonadoblastoma and selected other aspects of gonadal pathology in young patients with disorders of sex development.

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Some patients with disorders of sex development (DSDs), previously known as intersex disorders, have abnormal gonadal development and an increased risk of germ cell tumors. Because of their relative rarity, however, many pathologists are unfamiliar with the morphological findings in the gonads of

Gonadoblastoma: unusual presentation in a patient lacking persistent müllerian ducts.

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We report a patient with a disorder of sexual differentiation who presented with a 46,XY karyotype, absent internal Müllerian ducts, a vaginal pouch, hypospadias, and bilateral cryptorchidism with a gonadoblastoma in one testis. A human chorionic gonadotropin stimulation test and tissue

[Pathologic features on gonadal changes of sexual developmental disorders in children].

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Objective: To investigate the pathologic features of gonadal tissues of disorders of sexual development (DSD) in children. Methods: Fifty-three cases of gonadal developmental disorders were collected from July 2015 to August 2017 at Guangzhou Women and Children's Medical Center. Clinical

In silico prediction of structure and functions for some proteins of male-specific region of the human Y chromosome.

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Male-specific region of the human Y chromosome (MSY) comprises 95% of its length that is functionally active. This portion inherits in block from father to male offspring. Most of the genes in the MSY region are involved in male-specific function, such as sex determination and spermatogenesis; also

Familial forms of disorders of sex development may be common if infertility is considered a comorbidity.

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Families with 46,XY Disorders of Sex Development (DSD) have been reported, but they are considered to be exceptionally rare, with the exception of the familial forms of disorders affecting androgen synthesis or action. The families of some patients with anorchia may include individuals with 46,XY

In-vivo and in-vitro endocrine investigation of pure gonadal dysgenesis.

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Diagnosis of XY pure gonadal dysgenesis was established in a patient of female phenotype, with female internal genitalia, but with a chromosomal constitution of 46 XY. Streak gonads had undergone neoplastic transformation--gonadoblastoma and dysgerminoma. Before operation the concentrations of

[Hermaphroditism pathology].

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Hermaphroditism is a general term referring to all discrepancies between phenotype and genotype of sex development. It must be preferred to sexual ambiguity which refers mainly to external genitalia anomalies. Hermaphroditism is studied on an historical and pathogenetical perspective. Short

Hermaphroditism pathology.

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Hermaphroditism is a more general term for the discrepancy between the phenotype and the genotype of sex development than sexual ambiguity, which refers mainly to external genitalia anomalies. Hermaphroditism is studied on an historical and pathogenetical perspective. Short embryological summaries

Abnormal sexual differentiation and neoplasia.

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The prevalence of neoplasia is increased in individuals with certain disorders of sexual differentiation. Etiology and frequency of neoplasia vary with the particular disorder. In uncomplicated cryptorchidism, the testis is at least 10 times more likely to undergo neoplastic transformation than a

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