Undescended testis: Difference between revisions
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'''Undescended testis''', also '''cryptorchidism''', is when the [[testis]] fails to descend into the [[scrotum]] - from it embryological origin in the abdomen. | '''Undescended testis''', also '''cryptorchidism''', is when the [[testis]] fails to descend into the [[scrotum]] - from it embryological origin in the abdomen. | ||
==General== | |||
*Right more common than left. | |||
**In a larger series: 218 on left side, 459 right side and 96 bilateral.<ref>{{cite journal |authors=You J, Li G, Chen H, Wang J, Li S |title=Laparoscopic orchiopexy of palpable undescended testes_ experience of a single tertiary institution with over 773 cases |journal=BMC Pediatr |volume=20 |issue=1 |pages=124 |date=March 2020 |pmid=32178653 |pmc=7075009 |doi=10.1186/s12887-020-2021-6 |url=}}</ref> | |||
==Microscopic== | ==Microscopic== | ||
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*Type III cases diffuse tubular hypoplasia. | *Type III cases diffuse tubular hypoplasia. | ||
*Type IV diffuse Sertoli cell hyperplasia. | *Type IV diffuse Sertoli cell hyperplasia. | ||
DDx: | |||
*[[Germ cell neoplasia in situ]]. | |||
==Sign out== | |||
<pre> | |||
A. Right Testis, Orchiectomy: | |||
- Benign testis with germ cell hypoplasia, absent Leydig cells and absent spermatogenesis. | |||
- Unremarkable epididymis. | |||
- NEGATIVE for germ cell neoplasia. | |||
Comment: | |||
The findings are compatible with an undescended testis. | |||
</pre> | |||
==See also== | ==See also== | ||
*[[Testicular atrophy]]. | *[[Testicular atrophy]]. | ||
==References== | |||
{{Reflist|1}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||