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sensing and seeing > derm things exam 4 > Flashcards

derm things exam 4 Flashcards

1
Q

skin fold dermatitis

A

intertrigo

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2
Q

acute moist dermatitis, ‘hot spot’. seen commonly in thick coated breeds

A

pyotraumatic dermatitis

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3
Q

dog was fine when he went to sleep and now has a localized ulcer that is self induced

A

pyotraumatic dermatitis

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4
Q

otitis externa and FAD can cause secondary

A

pyotraumatic dermatitis

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5
Q

inflammation of the blood vessels can lead to

A

leaky blood vessels or thrombosis

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6
Q

what is the first sign of vasculitis skin lesion

A

alopecia because the hair is not receiving the correct amount of blood

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7
Q

what is the difference between erythema and vasculitis

A

erythema will blanch, petechial hemorrhage is when the blood has left the vessels. it will not blanch.

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8
Q

cutaneous manifestation of a systemic disease

A

necrolytic migratory erythema

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9
Q

major underlying condition causing necrolytic migratory erythema

A

chronic hepatic disease

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10
Q

what is the major thing that is seen in all cases of necrolytic migratory erythema

A

low serum amino acids.

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11
Q

if you see hyperkeratosis of the footpads what are 3 major ddx

A

NME, zinc responsive dermatitis, pemphigus foliaceus.

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12
Q

which ulcerative condition can be confirmed by seeing a honeycomb appearance of a liver

A

NME

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13
Q

prognosis of NME

A

poor 6-12 mo

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14
Q

what are the four variants of cutaneous lupus erythematosus

A

DLE, MCLE, VLE, ECLE

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15
Q

in cutaneous lupus erythematosus, what cells are being attacked?

A

basal cells.

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16
Q

what is the main difference between DLE and MCLE

A

they both cause ulceration on the nose but MCLE will have ulcers on 2 or more mucosal surfaces. if just the nose, prob DLE

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17
Q

ulceration below the lip but not on the lip

A

MCLE

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18
Q

differentiation between NME and MCLE?

A

NME has crusts and hyperkeratotic footpads, as well as lesions on pressure points
MCLE is just ulceration and its at mucosal surfaces.

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19
Q

what dogs get VCLE (vesicular)

A

collies and shelties only

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20
Q

donut lesion on a collie? primary ddx

A

VCLE

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21
Q

only lupus that has systemic signs

A

ECLE

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22
Q

puppy with alopecia, ulceration, depigmentation, crusts, scaling, hunched stance, lymphadenopathy, and is a GSP

A

ECLE

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23
Q

general treatment for cutaneous lupoid erythematous

A

doxy + niacinamide and cyclosporine

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24
Q

what is being attacked in uveodermatological syndrome

A

t cells attack melanocytes in skin and eyes

25
what dz attacks the proteins in the basement membrane zone
autoimmune subepidermal blistering dermatoses
26
dog has vesicles and ulcers in ears and mouth. ddx?
Pemphigus foliaceus and AISBD-MMP
27
2 primary cornification disorders
ichthyosis and canine primary seborrhea
28
who is mostly predisposed to canine ichthyosis? what age>
young golden retrievers
29
path of canine ichthyosis
malformation of intracellular lipids
30
poster breed for canine primary seborrhea
cocker spaniels
31
greasy coat
seborrhea oleosa
32
diagnosing canine primary seborrhea
usually presumptive. biopsy is to rule out other things.
33
path of sebaceous adenitits
destruction of sebaceous glands by tcells
34
lesions in long coated dogs with sebaceous adenitits vs short coat dogs
long: uncurling fur, color change, scaling short; annular areas of alopecia in a donut shape.
35
location of lesions in sebaceous adenitis
dorsal and travel caudal
36
dog with moth eaten coat: two main ddx
sebaceous adenititis and bacti folliculitis of short coats. SA commonly affects the head and face, also donut lz
37
sebaceous adenitis treatment
cyclosporine
38
what is unique about the scales of zinc responsive dermatosis
they are tightly adherent to the skin, not really seen flaking off in the coat. around the face and pressure points
39
two main ddx for thick crusts around the eyees
pemphigus foliaecus and zinc dermatosis zinc dermatosis has tightly adhered scales and PF has acatholytic keratinocytes and crusts
40
what causes malassezia dermatitis?
underlying inflammatory skin condition
41
the amount of yeast correlates to the severity of infection?
NO. correlate clinical signs and skin lesions with the presence of yeast
42
tx for malassezia dermatitis
local antifungal, if generalized: systemic -azole or terbinafine. find underlying cause
43
three major groups of nodules/draining tracts
infectious, noninfectious, neoplasia
44
three classical deep pyodermas
bacterial farunculosis, acral lick granuloma, callus pyoderma
45
painful draining tract, commonly secodary to bacti folliculitis and demodicosis
bacti farunculosis
46
can start as an erosion and chronically leads to nodular and granulomatous lesions. self induced
acral lick granuloma
47
how is callus pyoderma caused
chronic friction pushed in the hair follicles
48
how long do you treat classical deep pyodermas
2 weeks beyond clinical resolution
49
three major noninfectious causes of nodules and draining tracts
juvenile cellulitis, interedigital comedome, canine perianal fistula
50
swollen lips eyes and muzzle of puppies leading to draining tracts? treatment?
juvenile cellulitis. GC for 2-3wks +-antibacti
51
formation of sterile cysts from hair follicles encysting
interdigital comedome cysts
52
ddx for nodule and draining tracts in the interdigital skin (4)
interdigital comedome, atopy, pedal demadicosis, bacti
53
who gets canine perianal fistulas commonly
german shephards
54
early signs of this include perianal itching, bloody stool, painful draining tracts
canine perianal fistula
55
tx for canine perianal fistula
lifelong immune suppression. cyclosporine +- tacrolimus. sx if communicating with anal glands.
56
FNA mass reveals round cells, grey cytoplasm and dented nuclei, young dog on leg.
histiocytoma
57
wart-like nodule on face of an old dog? tx?
sebaceous adenoma. leave it or cosmetic removal
58
tx for MCT
removal with wide margins

sensing and seeing (21 decks)

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