John M. Hutson, Masaru Terada, Baiyun Zhou, Martyn P. L. Williams

Normal Testicular Descent and the Aetiology of Cryptorchidism (eBook, PDF)

• Format: PDF

Produktbeschreibung

This review describes recent research into the cause of testicular descent and discusses two controversial theories on the mechanism. New animal models of cryptorchidism are described which shed light on the possible aetiology. A brief summary is given of current management, highlighting the controversies of timing of surgery, use of hormone therapy and congenital versus "acquired" undescended testes. New information about germ cell development in the postnatal testis is changing the way we view treatment and the ultimate prognosis.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 56
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783642610264
• Artikelnr.: 53116590

Inhaltsangabe

1 Introduction.
2 Normal Testicular Descent.
2.1 Two
Stage Hypothesis.
2.2 Role of Müllerian Inhibiting Substance/Anti
Müllerian Hormone.
2.3 Genitofemoral Nerve Hypothesis.
2.4 Role of Calcitonin Gene
Related Peptide.
2.5 Hypothesis to Explain Normal Testicular Descent.
3 Cryptorchidism.
3.1 Animal Models.
3.2 Hypotheses of Aetiology.
3.3 Recognizable Causes of Cryptorchidism.
3.4 Congenital vs Acquired Cryptorchidism.
3.5 Effects of Cryptorchidism.
4 Management of Cryptorchidism.
4.1 Rationale for Treatment and Its Timing.
4.2 Surgical Treatment.
4.3 Hormonal Treatment.
4.4 Possible New Approaches to Treatment.
5 Conclusions.
6 References.
7 Subject Index.