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(→Benign: create granulomatous orchitis) |
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*[[Spermatocele]] - contains sperm. | *[[Spermatocele]] - contains sperm. | ||
== | ==Idiopathic granulomatous orchitis== | ||
===General=== | ===General=== | ||
* | *Rare. | ||
*Unknown etiology -- possibly trauma + immune reaction to sperm.<ref name=pmid21458170>{{Cite journal | last1 = Roy | first1 = S. | last2 = Hooda | first2 = S. | last3 = Parwani | first3 = AV. | title = Idiopathic granulomatous orchitis. | journal = Pathol Res Pract | volume = 207 | issue = 5 | pages = 275-8 | month = May | year = 2011 | doi = 10.1016/j.prp.2011.02.005 | PMID = 21458170 }}</ref> | |||
===Microscopic=== | |||
Features:<ref name=pmid21458170/> | |||
*[[Granuloma]]s +/- [[necrosis]]. | |||
*+/-Destruction of seminiferous tubules. | |||
*Prominent collagen fibrosis. | |||
DDx: | DDx: | ||
*[[ITGCN]]. | |||
*[[Seminoma]]. | *[[Seminoma]]. | ||
*[[ | *Tertiary [[syphilis]] - classically, plasma cell rich.<ref name=pmid22343746>{{Cite journal | last1 = Sekita | first1 = N. | last2 = Nishikawa | first2 = R. | last3 = Fujimura | first3 = M. | last4 = Sugano | first4 = I. | last5 = Mikami | first5 = K. | title = [Syphilitic orchitis: a case report]. | journal = Hinyokika Kiyo | volume = 58 | issue = 1 | pages = 53-5 | month = Jan | year = 2012 | doi = | PMID = 22343746 }}</ref> | ||
**Syphilis, unlike other infections of the GU tract, is said to affect the testis before the epididymis.<ref name=Ref_WMSP364>{{Ref WMSP|364}}</ref> | **Syphilis, unlike other infections of the GU tract, is said to affect the testis before the epididymis.<ref name=Ref_WMSP364>{{Ref WMSP|364}}</ref> | ||
*[[Tuberculosis]]. | *[[Tuberculosis]]. | ||
*[[Lymphoma]].<ref name=pmid21458170/> | |||
*[[Malakoplakia]].<ref name=pmid21458170/> | |||
*[[ | |||
*[[ | |||
===Stains=== | ===Stains=== | ||
*AFB | *AFB -ve -- for tuberculosis. | ||
*[[Dieterle stain]] | *[[Dieterle stain]] -ve -- for syphilis. | ||
=Premalignant= | =Premalignant= |
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