Male Reproductive Pathology II Flashcards

1
Q

When is canine prostate disease most common?

A

Entire male dogs, older than 6 years old

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2
Q

What are the overlapping clinical signs of canine prostate disease?

A
  • Ejaculatory failure
  • Urinary and defecatory tenesmus
  • Haemaria
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3
Q

What is benign prostatic hyperplasia?

A

Spontaeous development of glandular hyperplasia above three years

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4
Q

What promotes benign prostatic hyperplasia?

A

Promoted by a change in oestrogen and testosterone secretion by the testis

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5
Q

What drives prostate growth?

A

Increased DHT

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6
Q

What bacteria usually causes acute prostatitis?

A

E.Coli

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7
Q

What does chronic prostatis usually cause?

A

Abcessation

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8
Q

What does chronic prostatitis look like?

A
  • Recurrent Urinary Tract Infections
  • Neutrophils in ejaculate
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9
Q

What is paraphimosis?

A

unable to retract the engorged penis into the prepuce

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10
Q

What is Phimosis?

A

Inability to protrude the penis from the prepuce

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11
Q

What is coital exanthema?

A
  • Transmissable at breeding, pustules around the preputial folds- self resolves after 3 weeks
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12
Q

What is bovine papillomavirus?

A
  • Benign tumours that generally regress
  • Ocassional malignant transformation to SCC
  • Equine Sarcoidosis
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13
Q

What is penile SCC?

A

Most common penile neoplasia

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14
Q

What do SCC lesions look like?

A
  • Heavily keratinised plaques
  • early = raised, ulcerated lesion
  • late = cauliflower-like lesion
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15
Q

What does a penile melanoma look like?

A
  • Much less common
  • Grey horses are more susceptible
  • Generally slow growing
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16
Q

What is habrenomiasis?

A

Migrating and encysted habronema larvae- transmitted via biting flies

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17
Q

What causes urethral diverticulitis?

A

Smegma stones

accumulations of inspissated smegma within the urethral diverticulum

18
Q

In what animals is penile SCC most common?

A

Horses

19
Q

What happens if there is an ascending infection in the ampullary gland?

A

Excludes sperm from the ejaculate

20
Q

How likely is a bulbourethral condition?

A

rare or poorly recognised

21
Q

How likely is seminal vasculitis?

A

Relatively common in the bull and stallion

22
Q

How likely is prostate disease?

A

Recognised in all species but most common in dogs (older and entire animals)

23
Q

What is benign prostatic hyperplasia also known as?

A

Enlarged prostate

24
Q

What are the overlapping clinicals signs of canine prostate disease

A
  • Ejaculatory failure
  • Urinary and defecatory tenesmus
  • Haematura
25
Q

What promotes benign prostatic hyperplasia in dogs?

A

changes in the oestrogen, testosterone ratio secreted by the testis
* increased dihydrotestosterone drives prostate growth

26
Q

What may blockage of canaliculi cause?

A

progressive cyst development

27
Q

Who is most at risk of acute prostatitis?

A

Mature male dogs with systemic disease (anorexia/pyrexia)

28
Q

What does chronic prostatitis go on to cause?

A

abcessation
* recurent urinary tract infection/discharge
* neutrophils in ejaculate

29
Q

What is the most frequent prostate neoplasia?

A

Adenocarcinoma of the prostate
Transitional cell carcinoma of the prostatic urethr

30
Q

What is the result of prolonged paraphimosis?

A
  • Increasingly oedematous and fibrosis
  • may lose the erectile capacity
31
Q

How would you care for a dog with paraphimosis?

A

Penis supported against the ventral abdomen
susceptible trauma, dessication, infection and cellulitis
Emollients massage
Then return penis to the prepuce manually when possible

32
Q

What are the usual causes for phimosis?

A

Constriction of the external preputial orifice or internal preputial ring

33
Q

What may cause acquired phimosis?

A
  • Secondary to trauma
  • Bee-stings
  • Neoplasia
  • Habronemiasis
34
Q

What are the risk factors for phimosis?

A
  • Poor hygeine
  • Smegma
  • Posthitis
  • Scarring and obesity (excessive accumulation of ingional fat)
35
Q

What are the potential complications for penile trauma?

A
  • Paraphimosis
  • Fibrosis and scarring
  • Interference with fascial freedom
36
Q

What does an advanced penile melanoma look like?

A

Pain and physical barrier to breeding

37
Q

What is priapism?

A

Persistent infection not assocaited with breeding activity in the absence of oedema or any other clear signs of trauma

38
Q

What is EHV-3?

A

Coital exanthema
transmissable at breeding
pustules around the preputial folds
Self resolving (3 weeks)

39
Q

What is Bovine Papillomavirus?

A
  • Benign tumour that generally regresses
  • occassional malignant trasnformation to SCC
  • Equine sarcoidosis
40
Q

What is the canine transmissable venereal tumour?

A

Has no evidence of viral involvement
Direct transmission,