Dermatology - Feline

Question 1

periauricular alopecia
normal or abnormal?

Answer 1

normal

Question 2

lentigo (black macules)
normal or abnormal?

Answer 2

normal - esp orange cats

Question 3

what 4 reaction patterns are associated with pruritis in cats?

Answer 3

1. miliary dermatitis
2. non inflam alopecia
3. inflam/traumatic alopecia
4. eosinophilic granuloma complex

Question 4

a cat with “bald belly syndrome” - truncal alopecia, bilaterally symmetrical, no obvious skin lesions

Answer 4

non-inflam alopecia

Question 5

a cat with erythema, crusted papules, patchy hair loss is more indicative of what reaction pattern

Answer 5

inflam/traumatic

Question 6

what 3 lesions does the eosinophilic granuloma complex consist of

Answer 6

eosinophilic granuloma
eosinophilic plaques
indolent rodent ulcer

Question 7

most common allergy in cats?

Answer 7

flea allergy dermatitis

Question 8

how does demodex gatoi differentiate from demodex cati?

Answer 8

superficial demodex! = superficial skin scape
contagious
pruritic
NOT associated with immunosuppression

Question 9

demodex cati
local or generalized form the most common?
diagnostic test?

Answer 9

local - most common; head or ears only
generalized - due to systemic disease (immunosuppression
deep skin scrape

Question 10

ear mite of cats?

Answer 10

otodectes cynotis

Question 11

notoedres cati
characteristics?
contagious?
diagnostic test?

Answer 11

feline scabies
contagious - zoonotic
heavilty crusted head/neck
superficial skin scrapes

Question 12

cheyletiella
diagnostic test?

Answer 12

superficial skin scrape

Question 13

feline food allergy
distribution?
steroid responsive?

Answer 13

head/neck, nonseasonal
NOT steroid responsive

Question 14

feline atopy
seasonal or non seasonal?
steroid responsive?

Answer 14

seasonal and nonseasonal
steroid responsive!

Question 14

feline insect hypersensitivity
distribution?
most common insect?

Answer 14

bridge of nose, pinnae, foot pad
mosquitos

Question 15

what neoplasias can cause paraneoplastic alopecia in the cat

Answer 15

hepatic/biliary/panceatic carcinoma/adenocardinoma
thymoma

Question 16

diagnosis of psychogenic alopecia

Answer 16

diagnosis of exclusion

Question 17

why do cats need higher doses of steroids? what does this make them at risk of?

Answer 17

steroid resistance - fewer receptors
higher risk of insulin resistance = diabetes mellitus

Question 18

ectoparasite treatments

Answer 18

Isoxazolines, avermectins, fipronil

Question 19

allergy dermatitis treatments

Answer 19

food trial
therapeutic - antihistamines (chlorpheniramine, cetirizine)
immunotherapy - steroids

Question 20

cat anti-inflam dose for prednisone/methylprednisolone vs triamcinolone acetate and dexamethasone

Answer 20

1-2 mg/kg/day

0.1-0.2 mg/kg/day

Question 21

anti-pruritic therapies for cats

Answer 21

atopica - slow onset, long term, immunosuppression
apoquel - BID off label

Question 22

malassezia treatments

Answer 22

imidazoles - itraconazole, terbinafine

Question 23

dermatophytes treatments

Answer 23

imidazoles - itraconazole, terbinafine

Question 24

feline acne cause? diagnostics?

Answer 24

cornification disorder - abnormal keratinization, lipid production (comedones) cytology, deep skin scrape, fungal culture/PCR

Question 25

mild feline acne treatment

Answer 25

nothing topical fatty acids duoxo calm gel/spray seborrhea shampoo (salicylic acid, benzyl peroxide)

Question 26

moderate feline acne treatment

Answer 26

mupirocin (controvery) oral or inj abx prednisolone

Question 27

severe feline acne treatment

Answer 27

surgical debridement

Question 28

pemphigus foliaceus cause? cytologic findings? other ddx? definitive diagnosis?

Answer 28

idiopathic - autoimmune - antibodies against desmosomes acantholytic keratinocytes (other ddx bacterial pyoderma, dermatophytosis) definitive = biopsy - pustules (transient)

Question 29

pemphigus foliaceous treatment

Answer 29

prednisolone (immunosuppressive dose) - 2-3 mg/kg/day triamcinolone/dexamethasone 0.2-0.3 mg/kg/day cyclosporine 7 mg/kg/day

Question 30

Pads are puffy, soft, white striations, deflated, purple hue +/- ulceration (pathognomonic of what?)

Answer 30

plasma cell pododermatitis "pillow paws"

Question 31

how to diagnose plasma cell pododermatitis

Answer 31

cytology - plasma cells

Question 32

plasma cell pododermatitis treatment?

Answer 32

spontaneous resolution possible doxycycline steroids or non steroidal immunomodulators (cyclosporine)

Question 33

ceruminous cystomatosis distribution? treatment?

Answer 33

pinna, external orifice, occasionally ear canal CO2 laser ablation or topical glucocorticoids

Question 34

persians and himalyan cats are predisposed to what dermatoses?

Answer 34

idiopathic facial dermatitis

Question 35

treatment of choice for herpesvirus facial dermatitis

Answer 35

topical acyclovir

Question 36

cutaneous horns on cat footpads could be a sign of what disease

Answer 36

FELV