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Last Min Review > Derm > Flashcards

Derm Flashcards

1
Q

Anaphylactic and atopic derm hypersensitivity mechanism

A

IgE (Type 1)

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2
Q

Cytotosic hypersensitivity mechanism

A

IgM and IgG (Type 2)

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3
Q

Cell-mediated/delayed

A

sensitized T lymphocytes (Type 4)

TB skin tests, contact dermatitis

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4
Q

pityrosporum ovale

A

yeast
seborrheic derm
tx: selenicum sulfid, zince pyrithione, emollients

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5
Q

red plaquest + silvery scales on extensor surfaces

A

psoriasis - T cell mediated
Koebner’s pheominon
Auspitz +

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6
Q

Tx psoriasis

A

sopical steroids
methotrexate
retin A or D3

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7
Q

hives

A

Type 1 sensitivity
chronic > 6wk
tx: systemic antihistamines

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8
Q

targetoid lesions esp on mucous membranes
can be blisters and affect palms and soles
triggers: HSV, drugs, mycoplasm

A

erythemia multiforme

tx: antipururitics or tx as burn

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9
Q

Nikolsky +

A

SJS

pemphigus vulgaris

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10
Q

panniculitis (inflammation of SQ adipose tissue)
triggers: infxn, drugs (sulfs, OCP), chronic inflammatory dz (sarcoid, UC, Crohn’s)
PAINFUL red nodules on lower legs

A

erythema nodosum
can have false + VDRL
tx: spontaneously resolve w/o ulcers

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11
Q

dermatitis herpetiformis is associated w/?

A

celiace dz

tx: dapsone + gluten free

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12
Q

older
tese blisters
nikolsky -
idiopathic

A

bullous pemphigoid

tx: prednisone

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13
Q

40-60 y/o
flaccid blisters + erosions
Nikolsky +
assoc w/ ACEI, penicillamine, phenobarbital, PCN

A

pemphigus vullgaris

tx: high dose prednisone + immuno therapy

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14
Q

tx verrucae (HPV)

A

cryotherapy
podophyllin
tricholoacetic acid
imiquimod

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15
Q

cause impetigo

A

group A strep and staph

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16
Q

MCC scarlet fever, erysipelas

A

group A strep (specifically strep pyogens)

tx: PCN

17
Q

redness that turns to dusky purple w/in hours
gas production
putrid d/c

A

necrotizing fasciitis
S pyogens or mixed anaerobic/aerobic (s aureus, e colie, c perfringens)
tx: emergency debridement + Pen G or Clindamycin + Flagyl or 3rd gen cef

18
Q

hot tub folliculitis

A

pseudomonas aeruginosa

19
Q

tx acne

A

comodone: topical retinoid + benzoyl peroxide
pustular: benzoyl peroxide + abx
cystic: accutane

20
Q

monthly lab tests for accutane

A

hCG, LFT, cholesterol, TG

21
Q

Tx lice

A

pyrethrin (RID), permethrin

22
Q

Tx scabies

A

lindane > permethrin

PO ivermectin`

23
Q

tx gas gangrene (skin turns pale then dark)

A

C perfringens

dibridement + Pen G + hyperbaric O2

24
Q

koener’s phenomena

A

lesions appear at site of trauma

lichen planus

25
Q

tx rosacea

A

metronidazole

systemic - abx

26
Q

what is Bowen’s disease

A

form of SCC

Last Min Review (7 decks)

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