SA dermatology Flashcards
what types of dermatological conditions are seen in young dogs?
parasites
congenital
food-induced atopic dermatitis
what types of dermatological conditions are seen in adult dogs?
immune mediated
endocrine
food induced atopic dermatitis
what types of dermatological conditions are seen in elderly dogs?
neoplastic
metabolic
food induced atopic dermatitis
what are some possible causes of chronic dermatological conditions?
allergy
metabolic
endocrine
neoplasm
what are some possible causes of acute dermatological conditions?
parasites
infectious
immune-mediated
hypersensitivity
what needs to be discovered about a rash/itch?
itch that rashes or rash that itches (what came first)
when using a visual analogue scale to assess itch, what has to be told to the owner?
the score last time (subjective)
what are some primary lesions?
pustule/papules papular-macular rash pigmented macules alopecia erythematous plaques/papules vesicles
what are some secondary lesions?
lichenification thin skin crusts/erosions excoriations/erosion epidermal collarette scale ulcers comedones
what is an epidermal collarette?
ring of scale
what are the key presenting facts for dermatology?
age of onset
presence/absence of primary pruritus
distribution/type of lesions
what are feline cutaneous reaction patterns?
unique ways cats present skin disease often associated with pruritic/allergic conditions
what are the four feline cutaneous reaction patterns?
miliary dermatitis
eosinophilic granuloma complex
head/neck pruritus
symmetrical alopecia
what are the type of eosinophilic granuloma complex found in cats?
eosinophilic granuloma
indolent ulcer
eosinophilic plaque
what can be used to diagnose surface ectoparasite?
coat brushing
flea comb wet paper towel
sellotape impression
what can be used to diagnose shallow/surface mites in the epidermis?
superficial skin scrapes
what can be used to diagnose deep ectoparasites?
deep skin scrape
hair pluck
biopsy
where sampling isn’t able to diagnose ectoparasites, what can be used?
test treatments
what species is Demodex gatoi seen in?
cats
what are the clinical signs of Demodex gatoi?
pruritus (not always)
head, neck, truncal alopecia/excoriations
how can Demodex gatoi be diagnosed?
skin scrape
tape cytology
faecal floatation
what can be used to treat Demodex gatoi or Notedres cati?
selamectin
fluralaner
lime sulphur dip
(all in contact cats)
how can Notedres cati be differentiated from Sarcoptes scabiei?
Notedres cati - smaller and dorsal anus
what infections cause alopecia in cats?
superficial bacterial pyoderma
dermatophytosis
what can trigger Demodex cati to cause disease?
immunosuppression
FIV/FeLV
diabetes
squamous cell carcinoma
what are the clinical signs of Demodex cati?
comedones alopecia erythema crusts scale pruritus (variable)
what is used to treat Demodex cati?
isoxalines
selemectin
lime sulfur dips
what is used to diagnose Demodex cati?
deep skin scrape
direct impression smear (papules/pustules)
what are paraneoplastic alopecias of cats associated with?
pancreatic and bile duct tumours
what are follicular casts?
imprints of follicles that have grown out on hairs
what is used to diagnose thymoma induced exfoliative dermatitis?
biopsy
chest radiography
what can be done to treat thymoma induced exfoliative dermatitis?
immunomodulatory drugs
removal of thymoma
what breed of cat are predisposed to idiopathic facial dermatitis?
Persians
what can be used to treat idiopathic facial dermatitis?
anti-yeast
keratolytic shampoo
ciclosporin
what breeds of cats predispose to Malassezia dermatitis?
Devon rex
Sphinx
Persian
what cats is cow pox seen in?
male cats that are hunting
