Difference between revisions of "Undescended testis"
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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== | ||
Latest revision as of 15:37, 28 May 2026
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.[1]
Microscopic
Four patterns are described by Nistal et al.:[2]
- Type I cases testes with minimal lesions.
- Type II cases marked germinal hypoplasia as well as slight or marked tubular hypoplasia.
- Type III cases diffuse tubular hypoplasia.
- Type IV diffuse Sertoli cell hyperplasia.
DDx:
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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.
See also
References
- ↑ You J, Li G, Chen H, Wang J, Li S (March 2020). "Laparoscopic orchiopexy of palpable undescended testes_ experience of a single tertiary institution with over 773 cases". BMC Pediatr 20 (1): 124. doi:10.1186/s12887-020-2021-6. PMC 7075009. PMID 32178653. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075009/.
- ↑ Nistal M, Paniagua R, Díez-Pardo JA (November 1980). "Histologic classification of undescended testes". Hum Pathol 11 (6): 666–74. doi:10.1016/s0046-8177(80)80078-5. PMID 6108912.