Dermatology Flashcards

1
Q

acanthosis nigricans

A

darkening of the skin caused by elevated glucose

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2
Q

treatment of acanthosis nigricans

A

glucose control and weight loss

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3
Q

Etiology of acne vulgaris

A

-sebum
-bacteria
-inflammation

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4
Q

categories of acne

A

-mild: <20 comedones, <15 pustules
-moderate: 20-100 comedones, 15-50 pustules
-severe: >100 comedones, >50 pustules, any cysts/nodules

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5
Q

treatment of mild acne

A

-BPO
-tretinoin
-topical antibiotics

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6
Q

treatment of moderate acne

A

-BPO
-tretinoin
-doxycycline

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7
Q

treatment of severe acne

A

-same as moderate
-can try accutane

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8
Q

actinic keratosis

A

precancerous lesion on sun exposed area of skin

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9
Q

s/s of AK

A

flat, scaly, rough lesions

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10
Q

treatment of AK

A

cryo
5fu

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11
Q

etiology of androgenic alopecia

A

genetic

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12
Q

s/s of androgenic alopecia

A

-gradual thinning

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13
Q

diagnosis of androgenic alopecia

A

-clinical
-biopsy

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14
Q

etiology of alopecia areata

A

autoimmune

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15
Q

treatment of androgenic alopecia

A

topical rogaine
men: finasteride

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16
Q

s/s of alopecia areata

A

-patchy hair loss
-black dots (exclamation hairs)

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17
Q

diagnosis of alopecia areata

A

bx

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18
Q

treatment of alopecia areata

A

midoxinil + topical steroid

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19
Q

s/s of basal cell carcinoma

A

pink/red pearly nodule with visible vessels

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20
Q

ulcerating BCC

A

like nodular but with central ulcer

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21
Q

sclerosing BCC

A

plaque, scar like lesion

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22
Q

diagnosis of BCC

A

biopsy

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23
Q

treatment of BCC

A

mohs

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24
Q

etiology of bullous pemphigoid

A

autoimmune disorder

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25
Q

s/s of bullous pemphigoid

A

-large, tense, firm topped lesions
-painful erosions after rupture
-negative nikolsky

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26
Q

diagnosis of bullous pemphigoid

A

perilesional biopsy

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27
Q

treatment of bullous pemphigoid

A

prednisone

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28
Q

cellulitis vs erysipelas

A

-cellulitis doesn’t have distinct borders and erysipelas does

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29
Q

Treatment of Cellulitis & Erysipelas

A

-MRSA risk: bactrim, clinda, or doxy
-no MRSA risk: keflex
-bite: augmentin

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30
Q

etiology of condyloma

A

HPV 6 and 11

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31
Q

s/s of condyloma

A

-flat topped papules
-cauliflower lesions
-flesh colored

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32
Q

diagnosis of condyloma

A

-typically clinical
-pap smear

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33
Q

treatment of condyloma

A

-imiquimod
-cryo
-surgical removal
-may resolve on own

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34
Q

etiology of eczema

A

IgE mediated

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35
Q

s/s of eczema

A

-red, scaly, plaques or papules
-itchy

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36
Q

diagnosis of eczema

A

clinical

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37
Q

treatment of eczema

A

-low strength steroid
-moisturizer
-antihistamines

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38
Q

etiology of seb derm

A

yeast

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39
Q

s/s of seb derm

A

-greasy, yellow scales
-erythematous base

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40
Q

diagnosis of seb derm

A

clinical

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41
Q

treatment of seb derm

A

-ketoconazole shampoo
-topical steroids

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42
Q

s/s of fixed drug eruption

A

-erythematous plaque or patch that recurs in the same site if reexposure occurs

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43
Q

treatment of drug eruption

A

-d/c drug
-topical steroid
-topical abx if eroded

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44
Q

s/s of dyshydrotic eczema

A

-tapioca like vesicles
-on fingers

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45
Q

treatment of dyshydrotic eczema

A

topical steroids

-Betamethasone dipropionate, augmented
-Clobetasol

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46
Q

etiology of erythema multiforme

A

infections and drugs

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47
Q

s/s of erythema multiforme

A

-erythematous, papular lesion
-tense, firm topped
-contain serous or hemorrhagic fluid
-positive nikolsky sign
MCC: HSV

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48
Q

tx of EM

A

topical steroids
recurrent: daily
prophylactic antiviral

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49
Q

s/s of measles (rubeola)

A

-URI sx
-koplik spots
-rash starts on face and trunk and spreads to limbs
-then fades in the same pattern in 6 days

50
Q

s/s of rubella

A

Maculopapular rash that starts on the head and travels down the body after if fades from face

51
Q

etiology of erythema infectiosum/ fifth disease/ or slapped cheek

A

Parvovirus B19

52
Q

s/s of erythema infectiosum

A

-slapped cheek rash
-then spreads distally

53
Q

etiology of roseola infantum

A

HHV 6/7

54
Q

s/s of roseola infantum

A

-abrupt onset of high fever
-fever drops and rash appears

55
Q

s/s of folliculitis

A

infection of the hair follicle with pus in the ostium of the follicle

56
Q

tx of folliculitis

A

-mild: BPO wash
-moderate: topical abx (clinda gel)
-severe: oral abx (oxacillin, dicloxacillin, cefuroxime)
Cipro for “hot tub” folliciulitis

GOT CLINDA FROM UTD

57
Q

s/s of Hidradentitis Suppurative

A

-open comedones
-nodules with sinus tracts
-abscesses
-scarring

58
Q

management of HS

A

ORAL CLINDA/DOXY AND RIFAMPIN ACCORDING TO UTD
-intralesional steroids (triamcinolone)
-i&d
-biologics

59
Q

s/s of impetigo

A

-honey colored crust

60
Q

treatment of impetigo

A

Limited: mupirocin
Extended: keflex

61
Q

kaposi sarcoma

A

-cancerous condition starting as purple or brown papules on the lower extremities that spreads through the skin to the lymph nodes and internal organs
-frequently seen with AIDS

62
Q

tx of kaposi sarcoma

A

HAART

63
Q

tx of lice

A

permethrin

64
Q

s/s of lichen Planus

A

-flat topped Papules, Pruritic, Purple, Polygonal
-whickham striae

Say the Ps really DRAMATIC and it sticks!!!!

65
Q

dx of lichen planus

A

biopsy

66
Q

tx of lichen planus

A

topical steroids

67
Q

lichen simplex chronicus

A

lichenified plaques from excessive rubbing and scratching

68
Q

tx of lichen simplex chronicus

A

stop itch scratch cycle with antihistamines or topical steroids

69
Q

tx of epidermal inclusion cyst

A

if inflamed or infected, I&D
surgical excision

70
Q

s/s of epidermal cyst

A

raised nodule with central punctum

71
Q

s/s of melanoma

A

-asymmetry (not round or oval)
-irregular border
-uneven color
-diameter >6 mm
-elevation/change from flat

72
Q

dx of melanoma

A

bx

73
Q

tx of melanoma

A

surgical excision

74
Q

melasma

A

hyperpigmentation on the face in sun exposed areas

75
Q

tx of melasma

A

tri-luma

76
Q

s/s of molluscum

A

small, smooth, umbilicated papules

77
Q

tx of molluscum

A

-typically heal on their own
-cryo
-salicyclic acid

78
Q

nummular eczema

A

coin shaped scaly plaques

79
Q

tx of nummular eczema

A

same as atopic

80
Q

onychomycosos

A

fungal infection of the nail

81
Q

dx of onychomycosis

A

-clipping or scraping
-bx of KOH

82
Q

tx of onychomycosis

A

-topical antifungal for a year
-terbinafine for 6-12 weeks

83
Q

paronychia

A

inflammation of the nail fold with abscess formation

84
Q

treatment of paronychia

A

-I&D/warm soaks
-oral abx when cellulitis (DM/PVD) Augmentin, clinda, keflex

85
Q

pilonidal cyst

A

cyst above gluteal cleft

86
Q

treatment of pilonidal cyst

A

I&D of the abscess followed by sterile packing

87
Q

s/s of pityriasis rosea

A

-single herald patch
-then generalized rash in christmas tree pattern
-remits in 6 weeks

88
Q

treatment of pityriasis rosea

A

self remitting

89
Q

s/s of psoriasis

A

erythematous plaque with white scales

90
Q

dx of psoriasis

A

clinical bx

91
Q

tx of psoriasis

A

topical steroids
calcitriol
biologics

92
Q

s/s of rosacea

A

-erythema
-papules
-telangiectasias
-sensitivity

93
Q

tx of rosacea

A

-lifestyle changes
-metronidazole
-azelaic acid

94
Q

s/s of scabies

A

-night itching
-black speck
-burrow

95
Q

dx of scabies

A

-scabies prep
-jetliner with its trail on dermoscopy

96
Q

tx of scabies

A

Permethrin

97
Q

s/s of seborrheic keratosis

A

-stuck on
-dark, rough lesions

98
Q

tx of seborrheic keratosis

A

-only removed for cosmetic reasons
-cryo

99
Q

s/s of black widow bite

A

-htn
-tachycardia
-palpitations
-SOB
-excessive salivation
-n/v
-fang marks and halo around lesion

100
Q

s/s of brown recluse bite

A

-pain
-swelling
-bullae
-necrosis
-hemolysis

101
Q

tx of spider bites

A

-wound irrigation
-cold compress
-symptomatic treatment
-tetanus
-antivenom

102
Q

etiology of SJS/TEN

A

drugs

103
Q

s/s of SJS/TEN

A

-epidermal detachment
-positive nikolsky sign

104
Q

SJS vs TEN percentages

A

SJS <10%
TEN >30%

105
Q

tx of SJS/TEN

A

-fluids
-pain meds
-wound care
-steroids and IVIG

106
Q

tinea captis

A

-grey, scaly patches on scalp
-black dot

107
Q

diagnosis of tinea capitis

A

KOH prep
woods lamp

108
Q

tx of tinea capitis

A

-terbinafine for adults
-griseofulvin for kids

109
Q

tinea cruris

A

large scales with central clearing of the groin

110
Q

tx of tinea cruris

A

topical antifungal

111
Q

tinea corporis

A

ringworm

112
Q

tx of tinea corporis

A

topical antifungal

113
Q

tinea pedis

A

erythema, scaling, and maceration of the foot

114
Q

treatment of tinea pedis

A

topical antifungal

115
Q

tinea versicolor

A

overgrowth of malassezia furfur

116
Q

s/s of tinea versicolor

A

-itching
-hyperpigmented and erythematous

117
Q

dx of tinea versicolor

A

KOH shows budding yeast and hyphae

118
Q

tx of tinea versicolor

A

topical antifungals

119
Q

tx if molluscum contagiosum

A

-SA
-cryo
-cantharadin

120
Q

s/s of vitiligo

A

loss of pigmentation with sharp margins

121
Q

tx of vitiligo

A

none

122
Q
A