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)
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
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)
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



