Normal Testicular Descent and the Aetiology of Cryptorchidism books by John M. Hutson

Normal Testicular Descent and the Aetiology of Cryptorchidism (Rating: 2 - 0 votes)

Reading books Normal Testicular Descent and the Aetiology of Cryptorchidism Ebooks search download books Normal Testicular Descent and the Aetiology of Cryptorchidism PDF eBook Online John M. Hutson with format available: PDF,TXT,ePub,PDB,RTF,Audio Books and other formats. With this, You can also read online Normal Testicular Descent and the Aetiology of Cryptorchidism PDF eBook Online John M. Hutson eBook Online, its simple way to read books for multiple devices. John M. Hutson full text books
Title:Normal Testicular Descent and the Aetiology of Cryptorchidism
Format Type:eBook PDF / e-Pub
Rating:
(Rating: 2 - 0 votes)
Author:
Published:
ISBN:3540602836
ISBN 13:9783540602835
Number of Pages:56 pages
Category:Romance

John M. Hutson Normal Testicular Descent and the Aetiology of Cryptorchidism

PDF, EPUB, MOBI, TXT, DOC Normal Testicular Descent and the Aetiology of Cryptorchidism Cryptorchidism remains a common but poorly understood anomaly affecting 2%-5% of children. Major controversies exist over the timing and type of treat ment (i. e. surgical vs hormonal therapy) and whether intervention prevents sub sequent infertility and testicular cancer. Part of the dilemma is caused by lack of understanding of the normal process of descent, despite intensive research and study since the eighteenth century, when Hunter and von Haller first described the gubernaculum (caudal genito-inguinal ligament) and processus vaginalis (Williams and Hutson 1991a). More needs to be known, not only of the normal mechanism, but also of the ways that it can be deranged to produce undescended testes. This review describes the recent results of studies on normal descent, with emphasis on our studies of the different stages of descent. As the reader will appreciate, the ever-more complex models proposed to account for normal tes ticular descent predict that undescended testes will be caused by a multitude of anomalies affecting different stages of the process. A description is given of current hypotheses of the aetiology of cryptorchidism, correlating these with studies of cryptorchid animal models. For a more detailed description of the numerous ideas about the mechanism, the reader is referred to Heyns and Hutson (1995) and other monographs (Fonkalsrud and Mengel 1981; Abney and Keel 1989).

Descent of the Testicles, Jones' Clinical Paediatric Surgery: Diagnosis and Management, Disorders of Sex Development: An Integrated Approach to Management, The Surgical Examination Of Children: An Illustrated Guide, Pediatric Diagnosis: An Illustrated Guide To Diagnosis Of Surgical Significance, Anorectal Malformations in Children: Embryology, Diagnosis, Surgical Treatment, Follow-Up, Normal Testicular Descent and the Aetiology of Cryptorchidism, Descent of the Testis
The rapid advances in medicine over the last 50 years have totally changed the outlook for children with disorders of sex development (DSD), but there is still much to learn. This book crystallizes the combined experience of a leading dedicated unit over 25 years in delivering expert medical and surgical care to children with DSD in a holistic environment. It documents the most recent advances in the molecular biology and embryology of sex development, and describes each disorder in detail. The clinical presentation and approach to diagnosis are described both for babies and for children presenting later in childhood or at adolescence. The chapters on management highlight all the latest knowledge and include the shared wisdom of the authors on current controversies, such as the timing of surgical treatment. Finally, the authors describe their short-, medium-, and long-term outcomes, which demonstrate the strengths of holistic team management., Cryptorchidism remains a common but poorly understood anomaly affecting 2%-5% of children. Major controversies exist over the timing and type of treat ment (i. e. surgical vs hormonal therapy) and whether intervention prevents sub sequent infertility and testicular cancer. Part of the dilemma is caused by lack of understanding of the normal process of descent, despite intensive research and study since the eighteenth century, when Hunter and von Haller first described the gubernaculum (caudal genito-inguinal ligament) and processus vaginalis (Williams and Hutson 1991a). More needs to be known, not only of the normal mechanism, but also of the ways that it can be deranged to produce undescended testes. This review describes the recent results of studies on normal descent, with emphasis on our studies of the different stages of descent. As the reader will appreciate, the ever-more complex models proposed to account for normal tes ticular descent predict that undescended testes will be caused by a multitude of anomalies affecting different stages of the process. A description is given of current hypotheses of the aetiology of cryptorchidism, correlating these with studies of cryptorchid animal models. For a more detailed description of the numerous ideas about the mechanism, the reader is referred to Heyns and Hutson (1995) and other monographs (Fonkalsrud and Mengel 1981; Abney and Keel 1989)., -, "Anorectal Malformations in Children" represents an international consensus in understanding and treating anorectal malformations. Interesting new topics include tethered cord, vaginal reconstruction, continent catherizable channels, and the impact on family studies by parents' organizations. The book not only carries on from the three previous editions by Douglas Stephens and Durham Smith (1963, 1971, and 1988) but assembles many new aspects in the broad field of anorectal and genitourinary malformations. Special attention is given to the new surgical techniques posterior sagittal anorectal plasty (PSARP), urogenital sinue advancement, and laparoscopy. A CD-ROM showing the laparoscopic pullthrough procedure is included. It also presents for the first time a series of autopsies performed by Stephens in the 1960s in children with imperforate anus, demonstrating the individual histological anatomy of each malformation. The results of an international workshop of 26 international authorities on congenital malformations of the organs of the pelvis and perineum are presented.; The new classification proposed at the Krickenberg Conference will enable future studies comparing the types and the results of treatment of anorectal malformations.