Cryptorchidism

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Cryptorchidism

Author : F. Hadziselimovic
ISBN : 9783642667152
Genre : Medical
File Size : 45.27 MB
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Cytological techniques have greatly improved in the last twenty years, largely as a result of further development of the microscope. Electron microscopy, in particular, has opened up great prospects for the study of cell morphology, while the develop ment of radio-immuno-assay has brought great progress in endocrinology. The applica tion of these two techniques, which are complementary to each other and provide mutually supporting evidence, is the subject of this monograph. The work is divided into two parts. The first deals with the ultrastructure of normal testicular development, describing four main elements of the testicle - the germ cells, the Sertoli cells, the peri tubular connective tissue and the Leydig cell- with details of their individual development. To make the electron micrographs more easily understandable, diagrams have been used to explain the most important points. The second part deals with cryptorchid testicles, including the primary and sec ondary changes involved and morphometric studies of the secondary changes. The significance of these ultrastructural observations for the treatment of cryptorchidism is emphasized. With the aid of radio-immuno-assay the level of testosterone in cryp torchid mice was determined and comparisons drawn between the ultrastructural changes in cryptorchidism in mouse and man. The experimental studies served as a basis for the hypothesis that, in all probability, a congenital disturbance of the hy pothalamo-hypophyso-gonadal axis is responsible for cryptorchidism. I hope that this monograph will contribute towards a better understanding of normal and cryptorchid testicular development and of the etiology of cryptorchidism.
Category: Medical
Cryptorchidism
Language: en
Pages: 72
Authors: F. Hadziselimovic
Categories: Medical
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media

Cytological techniques have greatly improved in the last twenty years, largely as a result of further development of the microscope. Electron microscopy, in particular, has opened up great prospects for the study of cell morphology, while the develop ment of radio-immuno-assay has brought great progress in endocrinology. The applica tion
Cryptorchidism
Language: en
Pages: 138
Authors: Faruk Hadziselimovic
Categories: Medical
Type: BOOK - Published: 2012-05-10 - Publisher: Springer

Ferment, a sign of progress in any scientific field, has previously been lacking in the area of cryptorchidism, where the only activity has been in improving operative methods. Now, however, profound changes in the care of boys with cryptorchidism are being brought about; ideas are arising from a fresh look
Evaluation and Treatment of Cryptorchidism
Language: en
Pages: 328
Authors: U. S. Department of Health and Human Services, Agency for Healthcare Research and Quality
Categories: Medical
Type: BOOK - Published: 2013-03-23 - Publisher: Createspace Independent Pub

Cryptorchidism is a congenital condition in which one or both testicles are not appropriately positioned in the scrotum at birth and cannot be moved into the proper position manually. The term “cryptorchidism” literally means “hidden testicle” and is often used interchangeably with the term “undescended testicle.” It affects an estimated
Normal Testicular Descent and the Aetiology of Cryptorchidism
Language: en
Pages: 56
Authors: John M. Hutson, Masaru Terada, Baiyun Zhou, Martyn P.L. Williams
Categories: Science
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media

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
Cryptorchidism
Language: en
Pages: 138
Authors: F. Hadziselimovic
Categories: Medical
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media

Ferment, a sign of progress in any scientific field, has previously been lacking in the area of cryptorchidism, where the only activity has been in improving operative methods. Now, however, profound changes in the care of boys with cryptorchidism are being brought about; ideas are arising from a fresh look