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Systemic Pathology I > Pathology of Integument Pt 4 > Flashcards

Pathology of Integument Pt 4 Flashcards

1
Q

What are intraepidermal vesicular/ pustular dermatitis? Why is it called this?

A

Called pustular because vesicles usually will contain pus.

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2
Q

What is acantholysis?

A
  • Loss of cohesion between keratinocytes
    resulting from a breakdown of the intercellular bridges (desmosomes).
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3
Q

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

A
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4
Q

What are the features of transient intraepidermal vesicular/ pustular dermatitis? What would it progress to?

A

Transient: Vesicles/bullae, pustules
* Progress to erosions and crusts

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5
Q

What is seen in this image?

A
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6
Q

What are causes of acantholysis?

A
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7
Q

What are the different diseases shown here?

A
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8
Q

What is pemphigus foliaceus? Who is it seen in? What is it attacking? What is the lesions seen? What kind of hypersensitivity reaction is seen with this condition? How can you diagnose pemphigus foliaceus?

A

Type 2 hypersensitivity
Only can be diagnosed with biopsy

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9
Q

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

A
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10
Q

What is the cause of this cats lesions?

A
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11
Q

What is pemphigus vulgaris? What animals does it affect? where are lesions found? What is the antibodies attacking? What does this cause in the histopathology?

A
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12
Q

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

A
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13
Q

In these images what is indicating the presence of desmosomal lesions?

A

green

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14
Q

What is bacterial infection caused by?

A
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15
Q

What is impetigo? Who is susceptible? What are predisposing factors? What is it usually caused by? What lesions can be seen? Where are the lesions found on the body?

A
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16
Q

What is seen in this image?

A

Impetigo (puppy pyoderma)

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17
Q

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

A
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18
Q

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

A
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19
Q

What is Dermatophytosis? What can be seen ?

A
  • ends up being diagnosis of exclusion. The one on the right is GMS (silver stain)
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20
Q

What are potential causes of pyoderma?

A
  • Long term steroids
  • Immunosuppression
  • Wounds, ect
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21
Q

What is porcine exudative epidermitis (greasy pig disease)? What is the cause? Why does it occur? What lesions can be seen?

A
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22
Q

What is dermatophilosis? What is the cause? What animals can be affected? What are 2 critical factors that predispose animals? What is the lesions seen?

A
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23
Q

What is subepidermal vesicular dermatitis? What are the causes? what is the prognosis?

A

most with congenital do not make it longer than a few weeks.

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24
Q

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

A
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25
Q

What is seen in this image? What is the likely cause?

A

Mucous Membrane Pemphigoid

26
Q

What are the stages of folliculitis?

A
27
Q

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

A
28
Q

What conditions can be seen in these dogs?

A
29
Q

What are the 3 major causes of folliculitis?

A
30
Q

What is a superficial pyoderma? What animal is it common in? What is the cause? What lesions are caused?

A

Epidermal collarettes are number one sign

31
Q

What is intertrigo?

A
32
Q

What is seen in this image?

A

Intertrigo

33
Q

What is deep pyoderma? What is the cause? Who is predisposed? Where are the lesions? What lesions are seen?

A
34
Q

What is seen in this image?

A

Deep Pyoderma

35
Q

What is seen in this image?

A

Post- Grooming Furunculosis

36
Q

What is Post- Grooming Furunculosis? what is the cause? What is the common bacterial cause? What signs can be seen? What are the lesions/ locations of the lesions?

A
37
Q

What are the microorganisms that casue dermatophytosis?

A
38
Q

What is seen in these images?

A

Dermatophytosis

39
Q

What diagnosis can be used for dermatophytosis? What is it similar to?

A

Essentially equivalent to ring worm. Not ring so prefer to not use that term

40
Q

What is seen in this image? What is indicated by the black arrows in the first picture? 2nd picture?

A

1.) cross section of hyphae
2.) little black dots are arthrospores

41
Q

What is demodectic mange? Where is it normally found? What is the type that infects the dog? What should you do to get a sample ? What is predisposing factors?

A
42
Q

What is seen in this image?

A

Demodex Canis

43
Q

What is seen in this image?

A

Demodex injai

44
Q

What is the difference between demodex canis and demodex injai?

A

Demodex injai is longer than demodex canis

45
Q

What kind of demodex is shown in this image?

A

Localized

46
Q

What kind of demodex is shown in this image?

A

Generalized

47
Q

What lesions can be seen with demodectic mange, and where could the lesions be seen?

A
48
Q

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

A
49
Q

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

A
50
Q

What is seen in this image? What is the black arrow indicating?

A
51
Q

What is feline herpesvirus dermatitis? What is the cause? What are the clinical signs? Where are these lesions seen? What do the lesions look like?

A
52
Q

What condition does this cat likely have?

A
53
Q

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

A
54
Q

What is contagious ecthyma? What is the cause? What are the clinical signs? Where are these lesions seen? What do the lesions look like?

A
55
Q

What is irritant contact dermatitis? What is the cause? What are the clinical signs? Where are these lesions seen? What do the lesions look like?

A
56
Q

What condition does this animal likely have?

A

Contagious ecthyma

57
Q

What condition does this patient likely have?

A

Irritant contact dermatitis

58
Q

What is a thermal burn?What is the cause? What are the clinical signs? Where are these lesions seen? What do the lesions look like?

A
59
Q

What is the likely cause of this lesion?

A

Thermal burn

60
Q

What are the types of photosensitization dermatitis?

A
61
Q

What is hepatogenous photosensitization? What is the cause? What is the lesions? What is the clinical signs?

A
62
Q

What is the likely condition this patient has?

A

Hepatogenous photosensitization

Systemic Pathology I (23 decks)

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