LA Sx, Q2, III
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According to AAEP if you have to correct something on an animal for the welfare of the patient what must you also do?
render this animal incapable of reproduction
If a ruminant is cryporchid where is the testicle most likely to be?
SQ close to the external inguinal ring
If a boar is cryporchid where is the testicle most likely to be? do we remove it?
- retained in the abdomen
- not usually removed because they are slaughtered before maturity anyway
At birth where are the testicles in a foal?
What is commonly mistaken for the testicles in a newborn foal when you palpate the scrotum?
the bulb of the gubernaculum- also large in newborn foals and you cant tell apart from testicle
How old is a colt when it becomes unlikely any retained testicle will decend?
2 years- unlikely to decend after this age
Horses with a retained testicle are easy or hard to manage?
hard to manage- most common reason they are presented to you for sx
How does sedation/tranquilization help diagnose a cryporchid?
relaxes cremaster mm and helps testicle to be palpated
How does using HCG helps diagnose cryporchids?
- -after injection of HCG testosterone will increase if 1 or both testicles still present
- -geldings will have 0 testosterone after HCG
Is unilateral or bilateral retention of testicles more common?
Which testicle is larger in the fetus prior to testicular decent? why is this important?
- left testicle larger in fetus
- more likely to be retained in abdomen
If the right testicle is retained where is it most likely located?
What are the 4 surgical approaches to retained testicles?
- 1. inguinal
- 2. parainguinal
- 3. ventral midline/paramedian approaches
- 4. flank
For inguinal/parainguinal surgical approach to retained testicles what position i the horse in? and does he need GA?
- dorsal recumbancy
- GA needed
In cryporchid castrations what testicle is removed first and why?
- retained testicle removed first
- b/c if you cant find it the next surgeon doesnt even know what side to look on =(
I have explored the inguinal canal and didnt find the retained testicle yet- what methods can I use now?
- 1. put tension on gubernaculum
- 2. use sponge forceps to pick up vaginal process
- 3. insert fingers thru broken vaginal process and feel for gubernaculum
If i have to start exploring the abdomen for a retained testicle what is the best place to start?
locate the vas deferens at the neck of the bladder and trace it to the testicle
How is a retained testicle different in touch/size from a normal testicle?
smaller and mushier
What should I be sure to suture closed after i have removed the retained testicle?
What would you like to do?
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