Difference between revisions of "Undescended testis"
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(Created page with "'''Undescended testis''', also '''cryptorchidism''', is when the testis fails to descend into the scrotum - from it embryological origin in the abdomen. ==See also==...") |
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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. | ||
==Microscopic== | |||
Four patterns are described by Nistal ''et al.'':<ref>{{cite journal |authors=Nistal M, Paniagua R, Díez-Pardo JA |title=Histologic classification of undescended testes |journal=Hum Pathol |volume=11 |issue=6 |pages=666–74 |date=November 1980 |pmid=6108912 |doi=10.1016/s0046-8177(80)80078-5 |url=}}</ref> | |||
*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. | |||
==See also== | ==See also== | ||
Revision as of 15:14, 28 May 2026
Undescended testis, also cryptorchidism, is when the testis fails to descend into the scrotum - from it embryological origin in the abdomen.
Microscopic
Four patterns are described by Nistal et al.:[1]
- 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.
See also
- ↑ 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.