Lecture: Feline Dermatoses Flashcards

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1
Q

Special feline syndromes

A
  1. Miliary dermatitis
  2. Eosinophilic granuloma complex
  3. Mosquito hypersensitivity
  4. Symmetric alopecia
  5. Contagious
    • Dermatophyte
    • Sporothix
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2
Q

Miliary dermatitis syndrome

(Scabby cat disease)

A
  • reaction pattern (symptom)
  • papular crusting lesions
  • dorsal neck and back and rump
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3
Q

Miliary dermatitis

Look for underlying cause

A
  • history suggestive of allergies
  • skin scrapings
  • fungal culture
  • response to flea control
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4
Q

Eosinophilic granuloma complex

Clinical manifestations

A
  • Indolent Ulcer
  • Eosinophilic Plaque
  • Collagenolytic Granuloma
    • three types
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5
Q

Eosinophilic plaques are usually…..

A

Pruritic

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6
Q

Indolent ulcer

A
  • Inflammatory ulcer usually on upper lip
  • Unilateral/bilateral
  • Potential concurrent Nodular Pharyngeal Granuloma
  • Associated with underlying allergy
  • rarely progresses to
    • squamous cell carcinoma
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7
Q

Indolent ulcer

DX

TX

A
  • DX
    • Clinical signs and history
  • TX
    • Look for underlying disease
    • antibiotics
    • glucocorticoids
    • +/- cyclosporine
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8
Q

Eosinophilic plaque

Clinical Features

A
  • Well circumscribed red yellow edematous plaque
  • intensely pruritic
  • often groin or medial thighs
  • associated with allergic dz
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9
Q

Eosinophilic plaque

DX

TX

A
  • DX
    • clinical signs
    • histopathology
  • TX
    • Control underlying allergy
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10
Q

Three forms of Collagenolytic granuloma

A
  1. Linear granuloma
  2. Nodular pharyngeal granuloma
  3. Chin form
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11
Q

Linear granuloma

A
  • linear, raised, on caudal aspect of hind legs
  • Variable pruritus
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12
Q

Nodular pharyngeal granuloma

A
  • Firm, pink, yellow lesions
  • Usually associated with indolent ulcer
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13
Q

Collagenolytic granuloma

DX

TX

A
  • DX
    • History
    • CS
    • histopath
  • TX
    • Glucocorticoids
    • Look for underlying allergy
      • flea
      • environmental
      • contact
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14
Q

Feline mosquito hypersensitivity

A
  • Seasonal, non pruritic dermatitis
  • outdoor cats
  • mosquitoes and culicoides
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15
Q

Feline mosquito hypersensitivity

CS

A
  • papular/ulcerative, nodular lesions
    • nose
    • Pinnae
    • Paws
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16
Q

Footpad dermatitis think of

A

Immune mediated disease

17
Q

Feline mosquito hypersensitivity

DX

TX

A
  • Diagnosis
    • history
    • Clinical signs
    • histopathology
  • Treatment
    • Glucocorticoids
    • Avoid Mosquitos
18
Q

Feline alopeia

A
  • Self-induced
    • pruritus
    • behavoiral
  • Endocrine
19
Q

Trichogram

A
  • helpful in self-induced alopecia
  • pluck a hair and look under a microscope
    • tapered means cat hasn’t been licking
    • fractured means cat has destroyed the hair
20
Q

Other causes of generalized alopecia

A
  • Dermatophytosis
  • Demodicosis
  • Autoimmune Disease
  • Telogen Defulxion
  • Congenital or inherited Alopecia
  • Follicular defect
  • Paraneoplastic Alopecia (shiny bald not itchy abdomen :-()
21
Q

Food allergy think

A

facial lesions

not related to change in diet

22
Q

Feline Atopy

A
  • Generalized Miliary Dermatitis
  • Eosinophilic Dermatitis with or without plaque lesions
  • Symmetrical hairloss from self-trauma
  • Diagnosis by exclusion
  • Treat with ASIT
    • allergen specific immunotherapy
23
Q

Therapy of feline dermatoses

A
  • short term
  • symptomatic
    • depomedrol
      • cats are more resistant to adrenal suppression
  • oral glucocorticoids
    • prednisolone
    • methyprednisolone
    • Dexamethasone
  • Cyclosporine (maybe for a diabetic)