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Dermatology > Unusual and Unique Presentations > Flashcards

Unusual and Unique Presentations Flashcards

1
Q

Possible causes of feline Acne?

A

malass,
dermatophytes
demodex
bacteria

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2
Q

What is the progression of lesions in feline acne?

A

black follicular casts –> papules —> folliculitis –> possible pain or pruritis –> follicular cysts, draining tracts, furunculosis

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3
Q

Where is feline acne typically seen?

A

chin and lower lip

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4
Q

Dx of feline acne

A

clinical signs
cytology
skin scrapings
fungal culture

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5
Q

Tx of Felne acne

A

not necessary in most cases
When draining tracts and such,…clip, warm pack it. Oral AM, Mupirocin cream on the area
Clean regularly
change to metal food dishes

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6
Q

What is acral lick dermattis?

A

the urge to lick the distal cranial portion of the a leg, producing a thickened, firm, oval plaque.

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7
Q

Who does acral lick show up in?

A

large breed, active dogs

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8
Q

What are some possible causes?

A 
Psychogenic
bacterial/fungal
demodicosis
trauma or neurologic injury
AD
underlying orthopedc dz
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9
Q

What often accompanies acral lick dermatits

A

sconary bacterial nfection, partiicularly with ulceration

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10
Q

What are factor os psychogenic acral lick derm that can contribute? and what is the physiology of it?

A

boredom
anxiety

the endorphins are released when lickng

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11
Q

Dx of acral lick dermatitis

A 
CE, Hx
Skin scrapings
cytology
fungal culture - primary or secondary
HISTOPATH****
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12
Q

Tx of acral lick stuff

A

AM because of secondary usually
Barrier therapy (collar)
Remove triggers
BMD, Anti-depress, intra-lesional steroids, topicals, etc.

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13
Q

Prog of acral lick stuff

A

guarded

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14
Q

what is the most common lesion of vascultitis?

A

involvement of the extremities

ulceration**

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15
Q

Pathogenesis of vasculitis

A

Type 3 hypersens.

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16
Q

What % of vasculitis is idiopathic

A

50%

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17
Q

Which breeds are prone to vasculitits?

A

jack russel terrorists

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18
Q

What are some concurrent diseases that may happen with vasculitis

A

infections, food hypersen, insect bites, neoplasia

19
Q

what are some pptating factors in Vasculitis?

A

Vx, infections, drugs

20
Q

Dx of vasculitis.

A

Histopathology.

21
Q

Tx of Vasculitis

A

first find the etiology
correct underlying dz
immunomodulatory drugs

22
Q

Specifically, what are mild cases of vasculitis treated with

A

pentoxyphylline

methylxanthine derivs

23
Q

Specifically, what are worse cases of vasculitis treated with?

A

corticosteroids
azathioprine
TTC, niacinamide
cyclosporine

24
Q

What are peri-anal fistulas

A

chronic inflammatory lesions characterized by draining tracts forming around the anus of the dog –> ulcerative, painful, malodorous

25
Q

Who tend to get perianal fistulas

A

German Shepherds
Irish Setters
Patients over 5

26
Q

what is a common secondary infection to perianal fistulae?

A

colitis

27
Q

Dx of peri-anal fistulae

A

clinical signs, rectal exam

28
Q

Peri-anal fistulae are often confused with

A

ruptured anal sacs

29
Q

Tx of perianal fistulae

A

cyclosporine (but expensive)
Topical tacrolimus
mix cyclo with ketocon (more side effects)
AM for secondaries
Corticosteroids for early tx
Dietary - hypoallergenics, stool softeners,
Last resort is surgery

30
Q

What is symmetrical lupoid onychodystrophy

A

a condition affecting multiple claws in dogs, typically presented as a claw that is abnormal, then sloughs

31
Q

What happens later in the progression of symmetrical lupoid onychodystrophy

A

all the nails fall off. regrowing, they are short, misshapen and brittle.
takes 2-8 weeks

32
Q

DDx for symmetrical lupoid onychodystrophy

A

dermatophyte infection
IM condition like pemphigus foliaceous
vasculitis

33
Q

If only one nail has sloughed…

A

it is likely trauma or neoplasia, not symmetrical lupoid onychodystrophy

34
Q

Dx of symmetrical lupoid onychodystrophy

A

Histopathiology and Clinical signs

35
Q

How do you take histopath samples for symmetrical lupoid onychodystrophy

A

typically take off the P3, but some can do it without amuptation of that.

36
Q

Tx of symmetrical lupoid onychodystrophy

A

not necessarily corticosteroids because a benign IM process.
Give Omega-3s and 6s
hypoallergenic diets
pred, TTC+niacinam, pentoxyphylline, cyclo

37
Q

What are DDx for nailbed neoplasia?

A

SCC, melanoma

38
Q

Another name for Juvenile cellulitis

A

juvenile pyoderma, puppy strangles

39
Q

What is puppy strangels?

A

granulomatous and pustular disorder of the face, ears, submand LN

40
Q

Who does Jnile pyoderma show up in?

A

goldens, dachsunds, puppies under 4 months

41
Q

Clinical signs of Juvenile cellulitis

A 
facial swelling
striking lymphadenotpathy
pustules
fistulae
crusts
lethargy
42
Q

Dx of Jnile pyoderma

A

clinical signs
cytology showing granulomatous inflammation with no organisms
Cultures = sterile
**Skin biopsy

43
Q

Tx of Puppy strangles

A

large doses of corticosteroids

44
Q

Prognosis of Puppy strangles

A

good, but may scar

Dermatology (8 decks)

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