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Systemic Pathology I > Pathology of Integument Pt 3 > Flashcards

Pathology of Integument Pt 3 Flashcards

1
Q

What is perivascular dermatitis? What primarily causes it?

A
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2
Q

What is the cause of superficial perivascular dermatitis?

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3
Q

What is type 1 hypersensitivity mediated by? What is the mechanism of action?

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4
Q

What is pruritis? What signs can you see? What are some causes?

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5
Q

What can you see with grossly with acute perivascular dermatitis?

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6
Q

What can you see grossly with chronic perivascular dermatitis?

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7
Q

Which is acute and which is chronic perivascular dermatitis?

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8
Q

Microscopically: What can you see with acute perivascular dermatitis? What can you see with chronic perivascular dermatitis?

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9
Q

What can be seen with urticaria and angioedema? What are the causes? How long does it typically last?

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10
Q

What is canine atopic dermatitis? What is the type of hypersensitivity reaction? What are causes?

A

Type 1 hypersensitivity reaction

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11
Q

How can you tell whether pruritus or the lesion occurred first? What does this tell you?

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12
Q

What are common signs of canine atopic dermatitis? Where are the typical lesions located?

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13
Q

What is a common secondary condition associated with canine atopic dermatitis? What is the pathogenesis? How can you diagnose?

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14
Q

What is a canine food reaction? How old are dogs usually? What signs can you see, what is common? What may it be responsive to?

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15
Q

What are the lesions and distribution areas for canine food allergies? What is it similar to?

A
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16
Q

What is canine flea allergic dermatitis? When does it usually occur? What areas? What pathology can be seen? What is the pathogenesis? What other things should you ask owner?

A

If they are on monthly preventative

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17
Q

What is FASS?

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18
Q

What are the cutaneous reaction patters for FAAS?

A
  • Milliary dermatitis
  • Self induced alopecia
  • Face, head, neck pruritus
  • Eosinophillic granuloma complex.
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19
Q

What are the causes of each of the previous cutaneous reaction patterns?

A

Milliary dermatitis
- Self induced alopecia -> overgrooming
- Face, head, neck pruritus > scratching, causing excessive scratching, excoriation, hemorrhage, ect
- Eosinophilic granuloma complex: usually elevated lesions, edematous.

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20
Q

What is seen in this image? What is being indicated with the black arrows?

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21
Q

What is scarcoptic mange? Is it contagious? What is the cause? How can you diagnose? What would you see pathologically??

A
  • Wear appropriate PPE. Ask owner if they are itchy.
22
Q

What is seen in this image?

A
23
Q

What is cutaneous ascariasis? What are the different examples based on species affected??

A
  • Do skin scrape* Why not…
24
Q

What are secondary complicating factors?

A
25
Q

What is malassezia dermatitis? What breeds are they common in? What is their usual cause? Where can you see lesions/ what are the signs?

A
26
Q

What is seen in these images?

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27
Q

Is it easier to malassezia in cytology or in histology?

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28
Q

What is parakeratosis?

A
  • Parakeratosis: indicative of increased epidermal turnover
29
Q

What are examples of perivascular dermatitis with parakeratosis?

A

Example:
◦ Trauma
◦ Malassezia infection
◦ Zinc-responsive dermatosis
◦ Superficial necrolytic dermatitis (Hepatocutaneous syndrome)

30
Q

What are the 2 types of zinc responsive dermatosis characteristics?

A
31
Q

Which zinc responsive dermatosis is more commonly seen ? Why?

A
  • Type one is most common.
  • Type two not that common. We have controlled zinc levels in dog food.
32
Q

Where can you find the lesions for zinc responsive dermatosis?

A
33
Q

What is seen in this image?

A
34
Q

What is the causes of zinc responsive dermatosis in pigs? When is this seen?

A
35
Q

What is seen in this image?

A

Zinc Responsive Dermatosis

36
Q

What may be the causes of the issues seen in these images?

A

Malassezia dermatitis

37
Q

what are the causes of the lesions seen in this image?

A

likely psoroptes ovis

38
Q

What is this reaction pattern? what is its likely cause?

A

Miliary Dermatitis -> FASS

39
Q

What is superficial necrolytic dermatitis? What are the usual animals affected? Where can you see these lesions? What is this condition associated with? What do the lesions look like? What is the pathogenesis?

A
40
Q

What is seen in this image? What is indicated by the arrows?

A
41
Q

What is interface dermatitis? What is being targeted? What type of hypersensitivity reaction is at play?

A
42
Q

What is seen in this image? What is indicated by the arrows?

A
43
Q

What is seen in this image? What is the red marks seen on this animal?

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44
Q

What is Lupus erythematosus?

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45
Q

Which is more common, systemic lupus erythematosus, or cutaneous lupus erythematosus?

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46
Q

What is facial discoid lupus erythematosus? What breeds have a predisposition? Where are the typical locations of lesions? How do you treat?What can it be confused as? What is its pathogenesis?

A
47
Q

What is seen in this image? What is indicated by the black arrow?

A

Facial Discoid Lupus Erythematosus

48
Q

What is seen in this image? What is indicated by the black arrow?

A

Facial Discoid Lupus Erythematosus

49
Q

What are the differences between interface and lichenoid dermatitis? What are examples of each?

A
50
Q

What is erythema multiforme? What is the cause of the disease? Where are the lesions located? What lesions can you see? What is occurring at a cellular level?

A
51
Q

What is seen in this image? What is indicated by the black arrow?

A

Systemic Pathology I (23 decks)

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