Module 2: Cryptorchidism, Testicular Hypoplasia and Testicular Degeneration

Question 1

incomplete development of the testicular parenchyma

Answer 1

Hypoplasia

Question 2

• Cryptorchism
• Intersex conditions (Klinefelter’s syndrome, Polled goats)
• Hereditary condition

Answer 2

Hypoplasia

Question 3

Very rare, consider unilateral castration first

Answer 3

Aplasia

Question 4

What testicles are prone to torsion?

Answer 4

Intraabdominal testicles

Question 5

What can be measured to detect the presence of cryptorchid testicle in a patient?

Answer 5

Anti- Mullerian Hormone (AMH)

Question 6

Treatment:

Answer 6

Surgical removal
- don’t remove descended testicle until the cryptorchid testicle is removed

Question 7

*Testicular descent usually happens by 3 months
*Cryptorchidism may be a autosomal recessive trait in a VERY small proportion of dogs
*Testicles are predisposed to neoplasia with Sertoli cell as the most common

Answer 7

Canines

Question 8

*Equal frequencies to sides that are affected
*Neoplasia is reported but is LESS frequent than in canines

Answer 8

Equine

Question 9

*Reported infrequently
*Neoplasia is reported infrequently as well

Answer 9

Bovine

Question 10

*Common and hereditary in some breeds such as the Duroc
*Typically intraabdominal

Answer 10

Porcine

Question 11

• Most common reproductive disease in male cats

Answer 11

Felines