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Musculoskeletal > 4.1.2 Skin Pathology III > Flashcards

4.1.2 Skin Pathology III Flashcards

1
Q

What conditon?

A

Insect bite reaction

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2
Q

What condition? There is a child with honey-colored crusts around his face.

A

Impetigo

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3
Q

Child scratching red papules on her legs. Name condition

A

Insect bite

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4
Q

What virus is associated with molluscum contagiosum?

A

MC virus

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5
Q

What condition?

A

Scabies

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6
Q

What are the common sites of acne vulgaris?

A

Chest/back/face

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7
Q

Name this condition

A

Urticaria aka wheals

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8
Q

What is the defective enzyme in porphyria cutanea tarda?

A

uroporphyrin decarboxylase (can be genetic, but usually due to EtOH)

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9
Q

Name the condition?

A

Erythema Multiforme

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10
Q

What is the common demographic affected by cicatricial alopecia?

A

AA females

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11
Q

Name this condition.

A

Psoriasis

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12
Q

What condition?

A

Molluscum Contagiosum

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13
Q

Answer?

A

Condition: Urticaria

Answer: Perivascular dermatitis

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14
Q

Name this cell found in a wart?

A

Koilocyte - keratinocytes with a shruken nucleus with a perinuclear halo

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15
Q

Why is itching worse at night with scabies?

A

Boy and girl scabies are trying to find each other

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16
Q

How is molluscum contagiosum transmitted?

A

Direct

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17
Q

How do you biopsy scabies?

A

Scrape biopsy starting at the delta wave of the burrows

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18
Q

Histopath of what disease?

A

Molluscum contagiosum

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19
Q

Name this condition

A

Alopecia areata

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20
Q

Name this condition

A

Psoriasis

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21
Q

What are black heads?

A

Open comedones

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22
Q

What condition?

A

Cicatricial alopecia

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23
Q

This is the histopathology of what condition?

A

Verruca vulgara (wart)

24
Q

Name this conditon?

A

Pityriasis Rosea

(The diagnosis of this condition is mostly clinical)

25
Q

What virus is associated with verruca vulgara (wart)?

A

HPV

26
Q

What is the color of the crusting in impetigo?

A

Honey-color crusts

27
Q

Name this conditon

A

Erythema nodosum

28
Q

What is this key feature in a PAS stain of tinea?

A

Fungal hyphae

29
Q

What is the common name for verruca vulgara?

A

Wart

30
Q

Identify the pathogenesis of urticaria

A

Mast cell degranulation

31
Q

Name this condition

A

Rosacea - Miles has this condition

(Can be worsened by alcohol)

32
Q

Name condition. Answer condition.

A

Condition: verruca vulgaris (warts)

Answer: B. HPV

33
Q

What is this condition? What type of infection?

A

Tinea (Ringworm); dermatophytes - fungal infection

34
Q

Name the key histopathologic feature in this condition

A

Molluscum body

35
Q

What are these characteristic cells of EM?

A

Dead reds (dying keratinocyes) due to the release of cytokines

36
Q

What is unique about urticaria in its skin pathology?

A

The epidermis is normal

37
Q

Name this condition

A

Porphyia cutanea tarda

38
Q

Name this condition.

A

Impetigo

39
Q

What does umbilcation of the papule mean in molluscum contagiosum?

A

Indentation of the center of the papule

40
Q

What condition?

A

Alopecia areata

41
Q

If urticaria occurs deeper in the skin, what might occur?

A

Angioedema

42
Q

What condition?

A

Pityriasis Rosea

(Trailing Scale, Christmas tree distribution, Herald plaque - one lesion followed multiple others)

43
Q

Name this conditon

A

Acne vulgaris

44
Q

Name this condition?

A

Verruca vulgaris

45
Q

What condition?

A

Alopecia areata

46
Q

Name this condition

A

Porphyia cutanea tarda

47
Q

What is the characteristic lesion of EM?

A

Target lesion

48
Q

What condition?

A

Scabies

49
Q

What is different b/t urticaria and tinea?

A

Urticaria doesn’t have scales. Both are annular

50
Q

What type of lesion in acne vulgaris?

A

Open comedo

51
Q

What is the common organism that causes impetigo?

A

S. Aureus

52
Q

Condition. Answer ?

A

Condition: Scabies

Answer: E. Usually <100 organisms present

53
Q
A

The conditon is plaque psoriasis

Answer: B. Arthritis

54
Q

Where are the lesions of scabies commonly found?

A

Finger webs, axilae, umbilicus, areolas, genitalia

55
Q

Name condition. Answer question.

A

Condition: Erythema nodosum

Answer: A. Sarcoidosis

Musculoskeletal (53 decks)

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