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Flashcards in Pyoderma Deck (41):
1

What are the 4 potent toxins/enzymes produced by Staph pseudintermedius?

1. Beta-lactamases
2. Protein A
3. Proteases
4. Slime

2

There is an increase adherence of Staph pseudintermedius to keratinocytes in ____ animals.

There is an increase adherence of Staph pseudintermedius to keratinocytes in ATOPIC animals.

3

What is the most common underlying cause of pyoderma?

Atopy

4

What are the 5 primary factors of pyoderma?

1. Allergies
2. Ectoparasites
3. Cornification disorder
4. Endocrinopathy
5. Immunodeficiency

5

What is the second most common underlying cause of pyoderma in the dog?

Hypothyroidism

6

What is the most common cause for epidermal collarettes?

Pyoderma

7

What is patchy hair loss an indication of?

Folliculitis

8

What are the differential diagnoses for pustules?

1. Pyoderma
2. Autoimmune diseases
3. Eosinophilic pustulosis
4. Pyogranulomatous dermatitis
5. Dermatophytosis

9

What is the most common cause for pustules?

Pyoderma

10

There are 9 indications to run a bacterial culture. Name 5.

1. Recurring infection
2. History of extensive antibiotic tx
3. Failure to respond to standard-of-care
4. Unexpected cytology (rods)
5. Less than 50% resolution within 2 weeks of therapy
6. Emergence of new lesions after 2 weeks of therapy
7. Residual lesions after 6 weeks of therapy
8. Intracellular rod-shaped bacteri
9. Prior history of MDR infection

11

What are the 2 topical antimicrobials used for focal pyodermal lesions?

1. Benzoyl peroxide
2. Mupirocin

12

Is ultrasonic bathing bactericidal or bacteriostatic?

Bactericidal

13

Which of the following would be the antimicrobial of choice for treating pyoderma: bactericidal drug or bacteriostatic drug?

Bactericidal drug

14

What are the 4 effective antibiotics for treating pyoderma?

1. Fluoroquinolones
2. Potentiated amoxicillin
3. Synthetic penicillins
4. Cephalosporins

15

In treating pyoderma, how often should cephalexin be administered?

Orally 2x daily

16

In treating pyoderma, how often should cefpodoxime be administered?

Orally 1x daily

17

In treating pyoderma, how oftern should cefovecin be administered?

SQ every 14 days

18

How would you classify a surface pyoderma?

Epidermis remains intact

19

How would you classify a superficial pyoderma?

Epidermis and/or hair follicles are involved

20

How would you classify a deep pyoderma?

Extension of infection into the dermis

21

How would you classify a cellulitis pyoderma?

Invasion of fascial planes and subcutis

22

What is the medical phrase for a "hot spot"?

Acute moist dermatitis

23

Is acute moist dermatitis pruritic?

Yes, focally pruritic

24

What is "puppy pyoderma"?

Impetigo

25

Is impetigo pruritic?

No, absent to mild pruritus

26

What are 3 predisposing factors to impetigo?

1. Husbandry
2. Parasitism
3. Nutritional factors

27

Describe the lesions commonly seen with impetigo.

Subcorneal pustular lesions, typically on the belly

28

What is generally the agent causing impetigo?

Staph pseudintermedius

29

How would you approach treatment of impetigo?

1. May resolve spontaneously
2. Topicals (BPO shampoo for 3-4 days)
3. Systemics (7-10 days)

30

What is skin fold dermatitis?

Intertrigo

31

Which 3 breeds are predisposed to intertrigo?

1. American cocker spaniel
2. English bulldog
3. Chinese sar pei

32

What is folliculitis?

Inflammation of the hair follicle

33

What are the 3 most common causes of folliculitis?

1. Demodex
2. Dermatophytes
3. Bacterial

34

What is the most common bacterial cause of folliculitis?

Staph pseudintermedius

35

In which breeds in folliculitis most commonly seen?

Short-haired dog breeds:

1. Doberman pinscher
2. English bulldog
3. Dalmation

36

Follicular inflammation results in a shift of follicles into which state of hair growth?

Telogen

37

What are 2 treatment options for folliculitis?

1. Topical shampoo (3-7 x). BPO or mupirocin for focal lesions.
2. Systemic antimicrobials (30 days)

38

When in doubt, how long should you treat folliculitis?

30 days

39

What condition leads to cicatricial alopecia?

Furunculosis

40

What is the KEY lesion to furunculosis?

Draining tracts

41

What would you call draining tracts with bloody, sanguineous discharge?

Furunculosis