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KCSU17 Derm > Other Disorders > Flashcards

Other Disorders Flashcards

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Dermatology Board Prep flashcards
1
Q

Pityasis Rosea

A

multiple broad based papules

begins with a single spot

**thin collarette scaling (Christmas tree pattern)

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2
Q

pityasis rosea

pathognomonic

A

herald patch (single large lesion)

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3
Q

pityasis rosea treatments

A
  1. oral antihistamine

2. topical corticosteroids

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4
Q

acute urticaria

A

red, itchy welts

multiple erythematous edematous plaques

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5
Q

acute urticaria

imp. symptoms

A

positive dermatographism (large welt wherever the skin is rubbed)

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6
Q

acute urticaria

treatment

A
  1. oral antihistamine

2. ASO titer –> if +, treated with antibiotics

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7
Q

acute acute urticaria treatment

A

treat with clarinex, hydroxyzine, ASO titer, avoid hot shower

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8
Q

vasculitis

A

patches of palpable purport

inflammation/damage to blood vessels

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9
Q

vasculitis treatment

A
  1. CXR, CBC, CMP, ESR, ANA, UA
  2. Punch Biopsy
  3. Topical Corticosteroid
  4. Slow prednisone taper
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10
Q

bullous pemphigoid

A

Blisters

severe itching

multiple erythematous fluid filled bulla

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11
Q

bullous pemphigoid imp. symptoms

A

age is key

found typically in the elderly

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12
Q

bullous pemphigoid treatment

A
  1. oral antihistamine
  2. tapering prednisone
  3. oral antibacterial
  4. topical corticosteroids
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13
Q

Rosacea

A

background erythema

scattered inflammatory papules

central face flushing

no comedones

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14
Q

rosacea imp. symptoms

A

worse with heat (spicy food, sun)

sun, spicy foods

Rhinophyma (blood rushes to nose and makes nose bigger)

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15
Q

rosacea treatments

A
  1. avoid trigger factors
  2. sulfa based cleanser (Plexion, Cenia)
  3. Topical antibiotics (metronidazole, sulfa based)
  4. oral antibiotic (doxy, micocycline)
  5. mirvaso gel
  6. Soolantra
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16
Q

folliculitis (Pseudomonas)

A

follicular erythema

inflammation

no pustules

found chest down

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17
Q

folliculitis (pseudomonas)

A

get it from a hot tub (everyone in the tub gets it)

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18
Q

folliculitis treatment

A
  1. antibiotics (levaquin)
  2. oral antihistamine
  3. culture of any pustules to narrow Abx
  4. dean and disinfect hot tub
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19
Q

pseudofolliculitis barbae

description and treatment

A

ingrown, inflamed hair

  1. avoid close shaving
  2. topical antibiotics (clindamycin)
  3. laser hair removal
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20
Q

alopecia areata

A

progressive hair loss

well demarcated

immune system attacking the HAIR

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21
Q

alopecia areata treatment

A
  1. TSH lab work up (TSH can stimulate hair growth)

2. topical anthralin or corticosteroid

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22
Q

vitiligo

A

large, macular patches

hypo-pigmented

immune system attacks the PIGMENT

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23
Q

vitiligo treatment

A
  1. sunscreen
  2. tacrolimus ointment
  3. thyroid workup
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24
Q

acute paronychia

A

flourid erythmeia

accumulated exudate to lateral nail fold

“hang nail”

follows trauma

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25
Q

acute paronychia

treatment

A
  1. simple I and D, culture

2. Kephlex

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26
Q

hidradentis suppurativa

A

multiple areas of post inflammatory pigment and scaring

dilated pores with communicated cysts

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27
Q

hidradenitis suppurativa pathognomonic

A

mostly found in obese patients

lots of skin drainage

double comedones

28
Q

hidradenitis suppurativa treatment

A
  1. minocylcin

2. weight loss

29
Q

molluscum contagiosum

A

caused by pox virus

multiple flesh colored umbilicate papules

can be sexually transmitted or found often in small children

30
Q

molluscum contagiosum treatment

A
  1. imquimod cream

2, cryosurgery or topical canthardin (beetle freeze)

these will go away on their own

31
Q

acanthosis nigricans

A

velvety brown hyper pigmentation

associated with insulin resistance, obesity, diabetes

“dirty neck”

32
Q

acanthosis nigricans

A
  1. labs (fasting, glucose, Hgb A1C, insulin antibodies) – Screen for diabetes
  2. Retin A cream for pigment
  3. weight loss
  4. diabetes management
33
Q

why do we use retin A for pigment?

A

targets keratinization

34
Q

impetigo

A

denuded (missing skin from top layer) erythema

honey colored crusting

35
Q

impetigo is caused by

A

staph aureus or group A strep

36
Q

impetigo treatment

A
  1. mupirocin (bactrobran) ointment
  2. oral Kephlex

must rule out MRSA

37
Q

fifths disease

A

bright erythema

macular, lacy

just chess reddened

fever, rash on trunk but not hands or feet

38
Q

fifths disease pathognomonic

A

erythema infectiosum (slapped cheek)

39
Q

fifths disease treatment

A

NSAIDs (fades within 2 weeks)

40
Q

melasma

A

macular hyper pigmentation patches on cheeks and forehead

can occur during pregnancy (also birth control, hormone replacement)

chloasma (mask pregnancy)

41
Q

melasma treatment

A
  1. daily sunscreen

2. hydroquinone and retinoid (not while pregnant) – bleaches skin

42
Q

erythrasma

A

corynebacterium (NOT yeast)

confluent, mild erythema to groin

43
Q

erythrasma pathognomonic

A

woods light (coral red fluorescence)

44
Q

erythrasma treatment

A

erythromycin

45
Q

candidiasis intertrigo

A

confluent, bright erythema

multiple satellite regions

red and angry, found in folds (anywhere that is moist)

46
Q

candidiasis intertrigo pathognomonic

A

yeast infection

diaper dermatitis (warm moist place)

47
Q

candidiasis intertrigo treatment

A
  1. topical “cidal” antifungal
  2. diflucan
  3. prevention using absorbent powder (Zeasorb)
48
Q

impetigo treatment

A
  1. mupirocin (bactrobran) ointment
  2. oral Kephlex

must rule out MRSA

49
Q

fifths disease

A

bright erythema

macular, lacy

just chess reddened

fever, rash on trunk but not hands or feet

50
Q

fifths disease pathognomonic

A

erythema infectiosum (slapped cheek)

51
Q

fifths disease treatment

A

NSAIDs (fades within 2 weeks)

52
Q

melasma

A

macular hyper pigmentation patches on cheeks and forehead

can occur during pregnancy (also birth control, hormone replacement)

chloasma (mask pregnancy)

53
Q

melasma treatment

A
  1. daily sunscreen

2. hydroquinone and retinoid (not while pregnant) – bleaches skin

54
Q

erythrasma

A

corynebacterium (NOT yeast)

confluent, mild erythema to groin

55
Q

erythrasma pathognomonic

A

woods light (coral red fluorescence)

56
Q

erythrasma treatment

A

erythromycin

57
Q

candidiasis intertrigo

A

confluent, bright erythema

multiple satellite regions

red and angry, found in folds (anywhere that is moist)

58
Q

candidiasis intertrigo pathognomonic

A

yeast infection

diaper dermatitis (warm moist place)

59
Q

candidiasis intertrigo treatment

A
  1. topical “cidal” antifungal
  2. diflucan
  3. prevention using absorbent powder (Zeasorb)
60
Q

Seborrheic keratosis

A

multiple brown spots to back, chest, and abdomen

progressively developed more lesions

61
Q

seborrheic keratosis

pathognomonic

A

multiple brown waxy stuck on lesions with sharply demarcated borders

62
Q

seborrheic keratosis treatment

A

no treatment unless it becomes enflamed or atypical

cryosurgery (cosmetic)

63
Q

Actinic Keratosis

A

dry crusty spot on face, scalp and ears

present for years in sun exposed areas

can develop into squamous cell carcinoma

64
Q

Actinic Keratosis

pathognomonic

A

multiple areas of erythema, lesions have yellow or transparent scaling

can develop into carcinoma

65
Q

Actinic Keratosis

treatment

A

topical 5-flurouracil cream

dryosurgery to hypertrophic lesions

sunscreen

66
Q

blood vessel birthmark

A

port wine stain

responds well to laser therapy

KCSU17 Derm (12 decks)

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