Cryptorchidism Flashcards
What shortens to move the testes into the inguinal canal
gubernaculum
inguinal rings contract within first ____ of life
2 weeks
types of cryptochordism
abdominal
partial abdominal (epididymis only)
inguinal
cuases of cryptochordism
inherited
improper gubernaculum fxn
testicular abnormalities
do retained testes make sperm? testosterone?
no
yes
to facilitate palpation, sedate to relax what?
cremaster muscle
which hormone assays can we use?
serum testosterone
serum estrogen
hCG
serum AMH
serum testosterone under ___ pg/mL indicates no testicular tissue. over ___ pg/mL indicates testicular tissue.
40
100
*naturally lower in young colts
describe hCG stimulation test
- baseline sample
- hCG IV
- 2h +/- 24h later ==> another blood sample
if testicular tissue present: testosterone will increase 2-3x
serum estrogen can be measured in stallions over ___years. ___ pg/mL indicates testicular tissue present
3 years
400
AMH is secreted by the ___ cells. AMH is higher in cryptorchids or intact?
Sertoli.
cryptochids (similar to prepubertial)
should you remove cryptorchid in first opinion practice?
no. and never remove the dropped one only.
describe inguinal tx for cryptochordism
inguinal:
GA,
Incise over superficial inguinal,
Tension on gubernaculum to bring parietal tunic into inguinal canal,
Incise into tunic and pull epididymis
GA or sedation for laparoscopic tx for retained testes
either but Standing sedation
if you leave infected penis trauma to heal by second intention, what should you apply to it?
antimicrobial emollient cream
