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Difference between revisions of "Testis"
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→Normal testis
(→Sertoli cell nodule: split-out) |
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=Normal testis= | =Normal testis= | ||
==Gross== | ===Gross=== | ||
Anatomy - deep to superficial: | Anatomy - deep to superficial: | ||
*Tunica albuginea - fibrous layer. | *Tunica albuginea - fibrous layer. | ||
*Tunica vaginalis - thin mesothelial layer. | *Tunica vaginalis - thin mesothelial layer. | ||
==Microscopic== | ===Microscopic=== | ||
===Seminiferous tubules=== | ====Seminiferous tubules==== | ||
*Sertoli cells ([[AKA]] sustentacular cell [[AKA]] nurse cell). | *Sertoli cells ([[AKA]] sustentacular cell [[AKA]] nurse cell). | ||
**Large cells with oval nucleus. | **Large cells with oval nucleus. | ||
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**You don't see the tail on light microscopy. | **You don't see the tail on light microscopy. | ||
====Images==== | =====Images===== | ||
<gallery> | <gallery> | ||
Image:Seminiferous_tubule_and_sperm_low_mag.jpg | Seminiferous tubule and sperm - low mag. (WC/Nephron) | Image:Seminiferous_tubule_and_sperm_low_mag.jpg | Seminiferous tubule and sperm - low mag. (WC/Nephron) | ||
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Image:Intratubular_germ_cell_neoplasia_-_2_-_very_high_mag.jpg | Benign seminiferous tubules and ITGCN. (WC/Nephron) | Image:Intratubular_germ_cell_neoplasia_-_2_-_very_high_mag.jpg | Benign seminiferous tubules and ITGCN. (WC/Nephron) | ||
</gallery> | </gallery> | ||
===Interstitial=== | ====Interstitial==== | ||
*Leydig cell ([[AKA]] interstitial cell). | *Leydig cell ([[AKA]] interstitial cell). | ||
**Large eosinophilic cell. | **Large eosinophilic cell. | ||
*[[Blood vessel]]s. | *[[Blood vessel]]s. | ||
====Image==== | =====Image===== | ||
<gallery> | <gallery> | ||
Image:Leydig_cells_-_very_high_mag.jpg | Leydig cells - very high mag. (WC/Nephron) | Image:Leydig_cells_-_very_high_mag.jpg | Leydig cells - very high mag. (WC/Nephron) | ||
</gallery> | </gallery> | ||
===Associated structures=== | ====Associated structures==== | ||
*Epididymis - stores the sperm. | *Epididymis - stores the sperm. | ||
**Pseudostratified epithelium with cilia. | **Pseudostratified epithelium with cilia. | ||
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*[http://www.webpathology.com/image.asp?n=3&Case=27 Epididymis (webpathology.com)]. | *[http://www.webpathology.com/image.asp?n=3&Case=27 Epididymis (webpathology.com)]. | ||
===Rete testis=== | ====Rete testis==== | ||
*Receives stuff from the tubules. | *Receives stuff from the tubules. | ||
*Very rarely give rise to an ''[[adenocarcinoma of the rete testis]]''. | *Very rarely give rise to an ''[[adenocarcinoma of the rete testis]]''. | ||
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*Delicate anastomosing channels lined by cuboid epithelium. | *Delicate anastomosing channels lined by cuboid epithelium. | ||
====Images==== | =====Images===== | ||
<gallery> | <gallery> | ||
Image:Rete_testis_high_mag.jpg | Rete testis (WC/Nephron) | Image:Rete_testis_high_mag.jpg | Rete testis (WC/Nephron) | ||
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*[http://www.webpathology.com/image.asp?case=27&n=5 Rete testis (webpathology.com)]. | *[http://www.webpathology.com/image.asp?case=27&n=5 Rete testis (webpathology.com)]. | ||
===Appendix of testis=== | ====Appendix of testis==== | ||
Muellerian duct remnant. | *Muellerian duct remnant. | ||
Microscopic: | Microscopic: | ||
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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)]. | ||
==Sign out== | ===Sign out=== | ||
<pre> | <pre> | ||
TESTICLE, RIGHT, ORCHIECTOMY: | |||
- TESTICLE WITHOUT APPARENT PATHOLOGY. | - TESTICLE WITHOUT APPARENT PATHOLOGY. | ||
- NEGATIVE FOR INTRATUBULAR GERM CELL NEOPLASIA. | |||
- NEGATIVE FOR MALIGNANCY. | |||
</pre> | |||
====Alternate==== | |||
<pre> | |||
RIGHT TESTICLE, ORCHIDECTOMY: | |||
- BENIGN TESTIS WITH SPERMATOGENESIS. | |||
- NEGATIVE FOR INTRATUBULAR GERM CELL NEOPLASIA. | - NEGATIVE FOR INTRATUBULAR GERM CELL NEOPLASIA. | ||
- NEGATIVE FOR MALIGNANCY. | - NEGATIVE FOR MALIGNANCY. | ||