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STEP 3 Uworld > Skin step 3 > Flashcards

Skin step 3 Flashcards

1
Q

SCC treatment

A

surgery

- alternative (for low risk): radiation, cryotherapy, electrosyrgery

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2
Q

plantar warts - treatment

A

salicylic acid (takes weeks)

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3
Q

actinic keratosis - treatment

A

isolated: cyrotherapy
diffuse: topical flurouracil, tirbanibulin, imiquimod

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4
Q

pressure ulcers

A

stage 1: intac. skin
stage 2: shallow open ulcer, red pink wood
stage 3: full thickness skin loss with visible fat
stage 4: visible bone, tendon, or muscle
unstageable: ulcer base covered by slough and or eschar that needs removal to stage

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5
Q

pressure ulcers management

A

stage 1+2: transparent dressing

stage 3+4: debridement of necrotic + special dressing

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6
Q

papular urticaria

A

delayed hypersensitivity reaction to insect bites (not true urticaria)
papules
treatment: anti-h1 / steroids
prongnosis: spont resolutions within months

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7
Q

cellulitis RF

A
  1. drug use
  2. DM
  3. immunocompromise
  4. penetration of skin (surgery trauma)
  5. previous cellulitis
  6. venous or lymphatic dysf
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8
Q

cellulitis treatment

A

oral cephalosp or penicillinase-resist b lactams for 2 wk
iv if severe
linezolide of vanco for mrsa

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9
Q

Gangrene - divisions

A

dry: gradual necrosis of skin from vascular insuf, hard and dry skin
wet: acute vascular obstruction or infection, blistering and swelling

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10
Q

HSV-1 vs HSV2 - primary disease

A

1 –> oral disease

2 –> genital disease

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11
Q

moloscum contagiosoum - transmission

A

skin-skin

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12
Q

tinea versicolor (pityriasis versicolor) - fungus and treatment

A

malassezia furfur

- topical antifungal agent for several weeks or oral ketoconazole for 5 days

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13
Q

tinea versicolor (pityriasis versicolor) - lesions

A

salmon colored, light brown hypopigmentation

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14
Q

tinea versicolor (pityriasis versicolor) - diagnosis

A

kop preparation showes hyphae and spores (spaghetti and meatball
woot lamp shows extent of the disease

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15
Q

causes of erythema multiforme

A

drugs: penicillins, sulfa, NSAIDs, OCPs, anticonvulsant
infection: HSV, mycoplasma
vaccination

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16
Q

seborrhoeic dermatitis - presentation

A

pruritus, erythem plagues with yellow greasy scales

- shampoo with selenium, tar or ketoconazolee

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17
Q

seborrhoeic dermatitis - treatment

A

scalp: shampoo with selenium, tar or ketoconazolee

other regions: topical corticosteroids and antifungals

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18
Q

Auspitz sign

A

bleed easily after removal in psoriasis

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19
Q

painful erythema in the tibia

A

erythema nodosum

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20
Q

erythema nodosum - labs / treatment

A

+ antistreptolysin 0 titer if associated strep / ESR

treatment: self limited, NSIAD, protassium iodide, corticosteroids

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21
Q

tinea capitis vs areata

A

areata in autoimmune and has no skin scaling or inflammation

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22
Q

alopecia areata - treatment

A

topical or intrealesional corticosteroids

- high chances of reccurence

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23
Q

hormone therapy for acne vulgaris - meds

A

combined OCPs / spironolactone

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24
Q

hormone therapy for acne vulgaris - indications

A
  • moderate / severe infl acne
  • premenstrual acne flare
  • acne on lower face + neck
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25
Q

tinea pedis + onychomycosis - treatment

A

oral anti-fungal

26
Q

seborrhoeic dermatitis - RFs

A

HIV

CNS disease like parkinson

27
Q

photoagining?

A

actinic keratosis, telengectasia and brown liver spotis within rinkles
combination of UV and lights

28
Q

photoagining RF and treatment

A

RF: cigarette
treatment: tretinoin

29
Q

Incthyoisis vulgaris - pathoph

A

loss of filaggron gene (impaired epidermal barrier)

30
Q

Incthyoisis vulgaris - clinical features

A

onset infancy early childhood

  • diffuse scaly skin with mild pruritus
  • worse on extensor extr
31
Q

Incthyoisis vulgaris - treatment

A

long baths to remove scales
moisturization
kerolytics (urea, a-hydroxy acid, salicylic acid)

32
Q

chronic spont urticaria - etiology

A

80-90 idiopathic
atopic disorder
autoimmune disorder

33
Q

chronic spont urticaria - presentation

A

more than 6 wks

pruritic erythematous plaques

34
Q

chronic spont urticaria - evaluation

A

CBC, urinalysis

biopsy to rule out vasculitis or mastocytosis

35
Q

chronic spont urticaria - treatment

A

antihistamines

avoidance of triggers (heat, nsaids)

36
Q

common associated finding of alopecia areata

A

nail pitting

37
Q

acute paronychia

A

bacterial inf of the nail fold
gram-positive skin flora
- warm soaks, antiseptic agents or topical antibiotics

38
Q

skin manifestation of celiac diesease

A

dermatitis herpetiformis

39
Q

skin manifestation of HIV

A
  1. moloscum contagiosum (dissaminated
  2. recurrent herpes zoster
  3. suddent onset of sever psoriasis
40
Q

skin manifestation of inflammatory bowel disease

A

pyoderma gangrenosum

41
Q

multipe skin tags - disease?

A

insulin resistance
pregnancy
crohn disease (perianal)

42
Q

keloid - treatment

A

intralesional steroids –> if fails surgical

43
Q

pseudofolliculitis barbae - treatment

A

no shaving

44
Q

lichen planus

A

shiny discrete pruritic polygonal shpated violaceous plaques and papules (flexural surfaces of the extremities). Characteristic whitish Lacy pattern referred as Wicham striae on the lesion surfaces
BIOPSY
HCV

45
Q

localized herpes zoster - treatment / can socialize

A

oral valacyclovir for 7 days (no acyclovir, avoid steoids if localized)
socialize with the rash covered until is crusted

46
Q

herpes zoster pain management

A

acute: nsaid (less than 30 days)
sabacute nsaid (1-4 months)
postherpatic: tca, gabapentin (more than 4 months)

47
Q

sun protective behaviors

A
  1. sunscreen

2. hydration

48
Q

bollous pemphigoid - associated

A
  1. dementia
  2. parkinson
  3. depression bipolar
49
Q

bollous pemphigoid - treatment

A
  • topical therapies: high potency corticosteroids

- systemic therapies: corticosteroid, doxycycline

50
Q

inducible urticaria - characteristics and treatment

A

induced by environmental stimuly (scratching, hot baths, pressure, water sun etc)
treatment: avoid stimuli, h1

51
Q

tinea versicolor treatment

A

topical antifungal

52
Q

Basal cell carc - types

A

nodular with telengectasia (80%)
superficial
scar like

53
Q

onychomycosis - treatment

A

oral terbinafine

54
Q

molscum contagiosum - etiology

A

poxviris

55
Q

Rosacea?

A

inf facial skin with erythematous and pustuls (no comedones)
associated with facial flusing in response to external stiumi (alcohol, heat etc)
rhinophima

56
Q

Rosacea treatment

A

topical metronidazole

57
Q

Rosacea other symptoms

A

ocular symptoms

58
Q

ani-hypertensive medication with rash

A

thiazide (sulfa)

59
Q

how to remove tatoos

A

dermabrasion and laser removal

60
Q

psoriasis treatment

A

mild to mederate: topical steroids and vit d
severe: phototherrpy and systemic metrotrexate
fascial and intereginious: topical tacrolimus and low potency steroids

STEP 3 Uworld (14 decks)

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