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SS - Exam 4 > Feline Derm > Flashcards

Feline Derm Flashcards

1
Q

Feline atopic skin syndrome

A

Presents with reaction patterns
- preauricular alopecia
- DX involves ruling out hypersensitivities

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2
Q

Preauricular alopecia

A

Normal appearence, NOT a lesion
Super common or noticeable in cats

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3
Q

Lentigines / lentigo

A

Pigmented Macule or patches
Most common or noticeable in orange cats
Nasal planum, eyelids, lips, gingiva, pinna
Can increase with age or coalesce

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4
Q

Feline vs canine derm

A

less common
History and locations are less specific/helpful
2nd infection is less common
Systematic DX approach is most helpful

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5
Q

FASS

A

FLEA bite hypersensitivity is most common reaction in cats
Flea allergy dermatitis can look the same & must be ruled out ^^

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6
Q

Presentation of FASS

A

Miliary dermatitis
Self induced alopecia/hypotrichosis
Eosinophilic granuloma complex
Excoriations (head/neck pruritis & ulcers)

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7
Q

Miliary dermaitis

A

Multiple small papules commonly surrounded by crusts
Focal or diffuse

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8
Q

Important differentials for miliary dermatitis

A

FLEAS/flea allergy derm **
Food allergy **
Other ecto parasites **
Bactieral folliculitis
Pemphigus foliaceus

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9
Q

Self induced alopecia /hypotrichosis

A

PRURITIS - most likely reason for alopecia /over grooming
Common on the ventral body

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10
Q

Important differentials for self induce alopecia

A

Fleas/flea allergy derm**
Food allergy**
Other ectoparasites**
Dermatophytosis
Malassezia derm

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11
Q

Head & neck pruritis

A

Frantic clawing/scratching of head/neck
Excoriation, erosion, ulceration
Blepharitis +/- corneal ulceration

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12
Q

Differentials for head and neck pruritis

A

Fleas/flea allergy **
Food allergy **
Other ectoparasites**
Super/deep bact infection
Malassezia derm
Viral disease
Skin neoplasia
Pemphigus foliaceous

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13
Q

Eosinophilic granuloma complex

A

Indolent ulcer, EO gran or linear gran, EO plaque
Common on upper lip, can deform rostral part of lip
Non pruritic unless 2nd bacterial infection is present

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14
Q

Distribution of granuloma complex

A

EO:
- rear legs
- oral cavity
- chin swelling
Linear:
- tongue/bottom lip
-ventral rear legs

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15
Q

important differentials for EGC

A

Fleas **
Food allergy **
Infectious disease
Neoplasia
Deep bacterial infection

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16
Q

Eosinophilic plaque

A

Common on ventral abdomen, medial thighs
Raised eroded ulcerated plaque
INTENSE pruritis
Often 2nd infection present

17
Q

Biopsy rules out what for EGC

A

Neoplasia - mast cell, lymphoma, SCC
Infectious granuloma - bacteria, fungal
Abscess
Plasma cell pododermatitis on pads
Foreign body

18
Q

Signalment for FASS

A

Young, 6m-4y
Commonly female
Genetic component - purebreds

19
Q

DX of FASS

A

Exclusion: rule out
Ectoparasites - scrapings
Flea allergy derm - flea control
Food allergy derm - food trial
Bacterial infection - cytology is mandatory

20
Q

Diagnosing FASS

A

Allergen test - after other causes are ruled out NOT DX
Supportive

21
Q

Treating FASS

A

GC’s
Allergen avoidance
Allergen specific immunoglobulin
Cyclosporine
Apoquel
Antihistamines
Antibiotics when needed

22
Q

GC’s

A

Rapid & effective
MUST taper to lowest effective dose
AVOID long term use
Topicals are effective 70% of cases

23
Q

steroids and cats

A

Fewer steroids receptors
- higher doses needed
- more resistant to side effects
PREDNISOLONE - wont convert/absorb prednisone

24
Q

ADR of steroids

A

Diabetes mellitus
Congestive heart failure
Iatrogenic cushings
Skin fragility syndrome
Medial curling of ear tips
Immune suppression
Conditions are more common with cats w underlying conditions which might not be known at the time

25
Q

Cyclosporine

A

Only FDA approved med in cats
Effective 40-100%
ADR: v/d, anorexia, weight loss
Gingival hyperplasia
Toxoplasmosis risk**

26
Q

Apoquel (oclacitinib)

A

Off label use
Monitor closely due to little info on long term effects

27
Q

Antihistamines

A

Small, limited benefit - not super effective
Chlorpheniramine - most potential benefit
Sedative effects can help release stress/triggers

28
Q

antibiotics

A

Not a Tx for FASS but 2nd infections
Eosinophilic plaques & indolent ulcers - highly effective

29
Q

Pillow foot

A

Plasma cell pododermatitis
Rare
Soft, painless swelling of footpads, white cross hatches
Unknown cause

30
Q

Tx of PCP

A

Can spontaneously regress
Doxycycline
Immunosuppression
Food trial

31
Q

Other rare but mentionable conditions

A

Thymoma-associated exfoliative derm
Pancreatic/biliary carcinoma associated alopecia
Shiny skin = think cancer/neoplasia

SS - Exam 4 (28 decks)

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