Category Archives: Testis

Types of Infertility

Types of Infertility

Types of Infertility include:

1.    pre-testicular: changes in the pituitary and adrenal glands2.    testicular

3.    post-testicular: obstructive causes

Causes of infertility associated with a normal testis

Post-obstructive causes secondary to:

- congenital, post-surgical, Young s syndrome (obstructive azospermia and sinopulmonary infections)

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Testicular Biopsy

Testicular Biopsy

Reasons for doing a testicular biopsy include:

1.  cryptorchidism

2.  infertility syndromes (gonadal dysgenesis, androgen insensitivity synd)

3.  previous germ cell tumor

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Germ Cell Tumor Risk Factors

Germ Cell Tumor Risk Factors

1.  cryptorchidism
2.  infertility syndromes such as gonadal dysgenesis and androgen insensitivity syndrome                            3.  previous germ cell tumor
4.  oligospermic infertility (e.g. low sperm count infertility)                                                                                     5.  family history of germ cell tumours
6.  intratubular germ cell neoplasia, unclassified (IGCNU)

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Testis Histology

Testis Histology

Epididymis: pseudostratified epithelium with cilia
Rete testis: flat cuboidal epithelium
Seminiferous tubules: cellular atypia and lipofushcin
Vas deferens: columnar epithelium and lymphocytes

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