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CMT > Scaling Disorders > Flashcards

Scaling Disorders Flashcards

1
Q

Psoriasis

pathophys

A
  1. hyperproliferation resulting in thick skin and excess scaling
  2. skin proliferation caused by cytokine release from immune cells
  3. exacerbationby environmental factors
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2
Q

Psoriasis

affects who?

two peaks of age groups

A
  1. 20 to 30 y/o
  2. 50 to 60 y/o
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3
Q

Psoriasis

Types of Psoriasis

5

A
  1. Plaque
  2. Inverse/Flexural
  3. Guttate
  4. Erythrodermic
  5. Pustular
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4
Q

Psoriasis

Describe appearance of plaque psoriasis

A
  • well-demarcated, scaly, erythematous patches/plaques/papules
  • overlying silvery-white scale
  • Auspitz sign
  • Koebner phenomenon
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5
Q

Psoriasis

define auspitz sign

A

bleeding after scale removal

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6
Q

Psoriasis

define koebner phenomenon

A

lesions induced by trauma to skin

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7
Q

Psoriasis

which meds are of signficance when taking pt’s history?

6

A
  1. systemic steroids
  2. beta blockers
  3. NSAIDs
  4. lithium
  5. anti-malarials
  6. interferons
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8
Q

Psoriasis

important history questions to ask

5

A
  1. what meds are you taking?
  2. do you have joint pain?
  3. any CV risk factors?
  4. any changes to your nails?
  5. any tobacco use or alcohol consumption?
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9
Q

Psoriasis

what types of psoriasis do you use topical steriods? side effects?

A
  1. all types
  2. skin atrophy, hypopigmentation, striae
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10
Q

Psoriasis

when do you supplement Calcipotriene tx? side effects?

A
  1. combo w/ topical steroids
  2. skin irritation, photosensitivity
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11
Q

Psoriasis

what type of psoriasis do you prescribe tazarotene for? use in combo with? side effects?

A
  1. plaque-type
  2. topical corticosteroids
  3. skin irritation, photosensitivity
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12
Q

Psoriasis

what type of psoriasis to use Coal tar for? side effects?

A
  1. plaque type
  2. skin irritation, ordor, staining of clothes
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13
Q

Psoriasis

when to use Calcineurin inhibitors for psoriasis? side effects?

A
  1. off-label use for facial and intertriginous psoriasis
  2. skin burning, itching
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14
Q

Seborrheic Dermatitis

Pathophys

A
  1. increase in sebaceous gland activity + hypersensitivity rxn to Malassezia furfur
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15
Q

Seborrheic Dermatitis

when is this more common? what worsens is?

1 & 3

A
  • fall & winter months
  • stress rxn
  • HIV pts
  • neurologic diseases
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16
Q

Seborrheic Dermatitis

Clinical presentation

A
  • erythematous patches or plaques covered w/ fine white-yellow greasy scales
  • typically found on scalp, eyelids, beard, nasolabial folds, chest
  • can be associated with burning or pruritis
17
Q

Seborrheic Dermatitis

Dx

A

clinical presentation

18
Q

Seborrheic Dermatitis

tx

scale vs face

A
  1. scalp: anti-fungal shampp
  2. face: antifungal agents +/- low potency topical steroid
19
Q

Seborrheic Dermatitis

tx for scalp

A

Ketoconazole 2% or ciclopirox 1%
2-3x wklys

20
Q

Seborrheic Dermatitis

when to add in topical steroid for scalp infection?

A

if inflammation is present

21
Q

Seborrheic Dermatitis

what to use for severe or refractory infections?

A

oral antifungals

22
Q

Pityriasis Rosea

Common in who? when?

A
  • older children, young adults
  • spring/fall
23
Q

Pityriasis Rosea

clinical presentation

A
  • Herald patch
  • general exanthem 1 to 2 wks later (small, pruritic round/oval erythematous papules or thin plaques w/ collarette of scale in x-mas tree pattern)
  • confined to trunk and proximal extremities
24
Q

Pityriasis Rosea

what is herald patch

A

solitary, salmon colored macular on trunk
initial lesion of Pityriasis Rosea

25
Q

Pityriasis Rosea

Dx

A

clinical

26
Q

Pityriasis Rosea

tx

A
  • self limiting (4-6 wks)
  • topical corticosteroid if needed
27
Q

Pityriasis Rosea

which topical corticosteroid PRN?

A

triamcinolone 0.1% cream QD or BID

28
Q

Intertrigo

pathophys

A

inflammation of large skin folds

29
Q

Intertrigo

which pathogen causes complication upon colonization?

A

Candida yeast

30
Q

Intertrigo

clinical presentation

A
  • burn is greater than itch
  • satellite macules, papules, or pustles around erythema within a skin fold
31
Q

Intertrigo

Tx

2 tx options

A
  1. topical antifungals
  2. topical anti-inflammatory
32
Q

Intertrigo

topical antifungal tx

A
  • miconazole, clotrimazole, econazole
  • Ketoconazole 2% cream BID
33
Q

Intertrigo

topical anti-inflammatory tx

A
  • desonide ointment
  • hydrocortisone 1% ointment QD to BID
34
Q

Intertrigo

prevention

A
  • keep area dry, clean, cool
  • OTC antifungal powders

CMT (72 decks)

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