Male Reproductive Tract

Question 1

What species lack seminal vesicles?

Answer 1

Dogs and cats

Question 2

What species lack bulbourethral glands?

Answer 2

Dogs

Question 3

How does testicular hypoplasia differ from degeneration?

Answer 3

Hypoplasia- regular, thickened but even basal lamina, no inflammation, no lipofuscin

Degeneration- irregular circumferencence, lack of tubular lining, thickened WAVY basal lamina, inflammation, presence of lipofuscin

Question 4

What causes orchitis?

Answer 4

Brucella!

Cattle- brucella abortus
Goats- brucella melitensis

Question 5

What causes white masses on testicle?

Answer 5

Sperm granuloma

Question 6

What is the most common testicular tumor?

Answer 6

Interstitial cell/leydig cell tumor

Question 7

Seminoma vs. interstitial cell vs. sertoli cell tumors

Answer 7

Interstitial cell- spherical, well-demarcated, yellow

Seminoma- soft, not well-demarcated

Sertoli cell- firm, white, well-demarcated, wrinkled (fibrous tissue), atrophy of tissue around it, atrophy of contralateral teste

Question 8

Gynecomastia is associated with what tumor?

Answer 8

Sertoli cell tumor

Question 9

How to differentiate between scrotal ergot and frostbite?

Answer 9

History

Question 10

Benign prostatic hyperplasia vs prostatic carcinoma

Answer 10

BPH: smooth, symmetrical

Question 11

What is hypospadius?

Answer 11

Failure of repro/urinary tract to close