Module 2: Penile Masses/Injury in the Stallion

Question 1

Castrated male horses

Answer 1

Gelding

Question 2

Intact male horses

Answer 2

Stallion

Question 3

Intact stallion less than 5 years of age

Answer 3

Colt

Question 4

is a prolonged erection of the penis

Answer 4

Priapism

Question 5

the inability of the stallion or geld- ing to retract the penis into the prepuce

Answer 5

Paraphimosis

Question 6

Causes of ____________:
- Trauma
- Tranquilizers (usually phenothiazines)

Answer 6

Priapism

Question 7

• it is an EMERGENCY
• Venous stasis may lead to blood clots and necrosis
• Occurs mainly in stallions
• edema secondary to trauma or persistent, may lead to paraphismosis even after resolution

Answer 7

Priapism

Question 8

Cause of _____________:
- Systemic disease (emaciation, trauma, purpura)
- Frostbite
- Trauma
-edema secondary to trauma or persistent, may lead to paraphismosis even after resolution of priapism

Answer 8

Paraphimosis

Question 9

• May occur in stallions or geldings
• Defined by inability to retract penis into preputial cavity
• Emergency is reproductive ability to be retained
• Biggest hurdle to resolution: EDEMA

Answer 9

Paraphimosis

Question 10

Treatment for ________________:
- Anticholinergics: Benztropine - need to treat quickly
- Lavage of corpus cavernosum and alpha1 agonist
- Creation of a shunt between CSP and CCp
- Phallectomy - lose reproductive capability

Answer 10

Priapism

Question 11

Treatment for ____________________:
- Emergency if breeding animal
- Replace into prepuce if possible
- “Sling”
- Phallectomy

Answer 11

Paraphimosis

Question 12

Genital Neoplasia:

Answer 12

Squamous cell carcinoma