SA: Male Disorders Flashcards
Cryptorchidism
Incidence is 0.8-10% of pop
Failure of testes to descend fully into the scrotum by 6m
Failure of stimulation of Gubernaculum, testosterone concentration too low
Dx Cryptorchidism
AMH, US, Abdominal exploratory sx**
Tx for Cryptorchidism
Remove all testicular tissue within the body (abdominal first then scrotum)
Do not perform _________ when tx Cryptorchidism
Orchiopexy
malpractice
Benign Prostatic Hyperplasia
80% in >5y, @9y 95% in any intact male
Testosterone —> DHT (active form)
CS of Benign Prostatic Hyperplasia
Sanguinous prepucial discharge , hematuria, hemospermia, stranguria, tenesmus
Dx of Benign Prostatic Hyperplasia
Palpation over rectum (done yearly, intact will have larger prostate)
US
Prostatic fluid cytology/ cx
Prostatitis
Sequela to BPH, acute or chronic
Male dogs present systemically ill with enlarged, painful prostate
Dx of prostatitis
3rd fraction of an ejaculate (purely prostatic fluid, cytology +/- cx or MIC)
Prostatic wash (cytology +/- cx)
US (+/- FNA)
Tx for the prostate
Removal of DHT influence**
Castration then finasteride for 8w
Abx for prostate tx
Other tx options done FIRST
Fluroquinolones**
TNS (no in dobermans, black or tan dogs)
What happens if prostatitis isn’t cleared?
Abscessation may occur and poor prognosis
Prostatic neoplasia
Low incidence (0.2-0.6%)
Adenocarcinoma or transitional cell carcinoma
Dx with prorectal exam
Testicular neoplasia
Sertoli cells tumor**, leydig and seminomas
Tx with bilateral castration
50% produce estrogen
Prolapsed urethra
Male dogs 1-5y
Blood from prepuce or penis, protrusion during collection, sometimes pain