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  • 1
    Electronic Resource
    Electronic Resource
    The value of testicular biopsy in cryptorchidism (1984)
    Springer
    Urological research 12 (1984), S. 171-174 
    Details
    ISSN: 1434-0879
    Keywords: Testicular biopsy ; Cryptorchidism ; Fertility ; FSH ; LH ; T ; Estradiol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This prospective study conducted on 24 children, who have now reached adulthood, was undertaken to determine the value of testicular biopsies in cryptorchidism relative to fertility prognosis. A significant correlation between the number of germ cells in the biopsy and sperm count was found to exist (p〈5%). Thus, the testicular biopsy performed during orchiopexy was found to have a prognostic value. The hormonal findings (LH, FSH) suggest that in cryptorchid adults impaired Leyding cell function exists prognostic value with respect to fertility and the probability of discovering carcinoma in situ cells, it is strongly recommended that a testicular biopsy is performed in cryptorchid boys.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255917
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The role of the epididymis in descensus testis and the topographical relationship between the testis and epididymis from the sixth month of pregnancy until immediately after birth (1979)
    Springer
    Anatomy and embryology 155 (1979), S. 191-196 
    Details
    ISSN: 1432-0568
    Keywords: Descensus Testis ; Epididymis ; Gubernaculum ; Microscopical anatomy ; Topography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The position of the testis, the relationship between the epididymis and the testis, as well as the development and regression of the gubernaculum were investigated in 18 testicles of children from the 26th week of pregnancy until a few weeks after birth. The most important role in descensus testiculorum is ascribed to the differentiation of the epididymis and the ductus deferens. It is androgen dependent. The testis descends in the processus vaginalis, being attached to its dorsal wall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00305751
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Relevance of urinary gonadotrophins (1987)
    Springer
    European journal of pediatrics 146 (1987), S. S18 
    Details
    ISSN: 1432-1076
    Keywords: LH ; FSH ; Urine ; LH-RH
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The assay of urinary LH and FSH in first morning void urine can be used for the differential diagnosis between anorchism and bilateral cryptorchidism with impalpable testes. Furthermore, levels of urinary LH and FSH excretion and their response to intranasal stimulation with LH-RH prove helpful in the follow-up of patients under hormonal treatment, i.e. prolonged stimulation in hypogonadotrophic hypogonadism or suppression by an LH-RH analogue, for instance in precocious puberty. By increasing the sensitivity of the assay, the value of urinary gonadotrophins for the differential diagnosis and survey of hormonal treatment in very young children can be examined, and investigations of this kind are currently taking place. The method used obviously cannot assess the bioactivity of the excreted hormone, nor can it depict the pulsatility of gonadotrophin secretion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00452862
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The development and descent of the epididymis (1993)
    Springer
    European journal of pediatrics 152 (1993), S. S6 
    Details
    ISSN: 1432-1076
    Keywords: Epididymis ; Development ; Cryptoepididymis ; Rodents ; Man
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The epididymis is one of two organs which during the process of development in certain mammalian species descends from the dorsal abdominal wall into the scrotum. This phenomenon may or may not be accompanied by the testis during the descent, and it requires androgens. Androgen deficiency experimentally achieved induced cryptoepididymis. Both, experimentally with E2B induced as well as naturally occurring cryptoepididymis can be successfully treated with either HCG or LH-RH or a combination of both.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02125424
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    Paper (German National Licenses)
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