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Difference between revisions of "Testis"
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If the testis is biopsied, it is usually for fertility -- to understand whether the man is really azoospermic. | If the testis is biopsied, it is usually for fertility -- to understand whether the man is really azoospermic. | ||
=Normal= | |||
===Seminiferous tubules=== | ===Seminiferous tubules=== | ||
*Sertoli cells ([[AKA]] sustentacular cell [[AKA]] nurse cell). | *Sertoli cells ([[AKA]] sustentacular cell [[AKA]] nurse cell). | ||
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*[http://www.webpathology.com/image.asp?case=27&n=7 Appendix of testis (webpathology.com)]. | *[http://www.webpathology.com/image.asp?case=27&n=7 Appendix of testis (webpathology.com)]. | ||
=Diagnoses (overview)= | |||
*Benign. | *Benign. | ||
**Spermatid present/not present. | **Spermatid present/not present. | ||
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|} | |} | ||
=Premalignant= | |||
==Intratubular germ cell neoplasia== | ==Intratubular germ cell neoplasia== | ||
===General=== | ===General=== | ||
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*[http://www.webpathology.com/image.asp?case=30&n=1 ITGCN (webpathology.com)]. | *[http://www.webpathology.com/image.asp?case=30&n=1 ITGCN (webpathology.com)]. | ||
=Germ cell tumours= | |||
{{Main|Germ cell tumours}} | |||
==Seminoma== | ==Seminoma== | ||
===General=== | ===General=== | ||
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*Most common GCT in infants and young boys. | *Most common GCT in infants and young boys. | ||
=== | ===Microscopic=== | ||
Classic feature: | Classic feature: | ||
*Schiller-Duval bodies. | *Schiller-Duval bodies. | ||
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In males these tumours are always malignant. They consist of all three [[germ layers]].<ref>{{cite book |author=Moore, Keith L.; Persaud, T.V.N.|title=The Developing Human: Clinically Oriented Embryology |publisher=Saunders |location= |year=2002 |pages= 83 |edition=7th |isbn=978-0721694122 |oclc= |doi= |accessdate=}}</ref> | In males these tumours are always malignant. They consist of all three [[germ layers]].<ref>{{cite book |author=Moore, Keith L.; Persaud, T.V.N.|title=The Developing Human: Clinically Oriented Embryology |publisher=Saunders |location= |year=2002 |pages= 83 |edition=7th |isbn=978-0721694122 |oclc= |doi= |accessdate=}}</ref> | ||
=Sex cord stromal tumours= | |||
==Leydig cell tumour== | ==Leydig cell tumour== | ||
*Arises from interstitial cell. | *Arises from interstitial cell. | ||
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*[http://commons.wikimedia.org/wiki/File:Sertoli_cell_tumour_low_mag.jpg Sertoli cell tumour - low mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Sertoli_cell_tumour_low_mag.jpg Sertoli cell tumour - low mag. (WC)]. | ||
=See also= | |||
*[[Genitourinary pathology]]. | *[[Genitourinary pathology]]. | ||
*[[Ovary]]. | *[[Ovary]]. | ||
*[[Ovarian tumours]]. | *[[Ovarian tumours]]. | ||
=References= | |||
{{reflist|2}} | {{reflist|2}} | ||
=External links= | |||
*[http://www.cancer.org/docroot/CRI/content/CRI_2_4_1X_What_is_testicular_cancer_41.asp Testicular cancer (cancer.org)] | *[http://www.cancer.org/docroot/CRI/content/CRI_2_4_1X_What_is_testicular_cancer_41.asp Testicular cancer (cancer.org)] | ||
[[Category: Genitourinary pathology]] | [[Category: Genitourinary pathology]] | ||