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DHM midterm
Skin disorders
32
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Pre-School
03/22/2012

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Cards

Term
larger vs of macule
Definition
patch
Term
larger papule
Definition
nodule
Term
Like impetigo, except extends to dermis (impetigo stays in the epidermis)
Definition
Ecthyma (impetigo can progress to ecthyma if not treated, with what?)

- mupirocin lotion (PSI)
Term
hair follicle infections (3, small to large)
Definition
folliculitis --> furuncle --> carbuncle
Term
Like cellulitis but more superficial (still in lymphs), and on face & legs (vs extremities w/ cellulitis)
Definition
Erysipelas
Term
corynebacterium minutissimum infection in intertriginous areas
Definition
Erythrasma (treat w/ benzoyl peroxidase)
Term
micrococcus sedentarius makes foot pitted & smelly
Definition
Pitted keratosis (treat w/ benzoyl peroxide or AlCl3 to reduce sweating)
Term
Green-black thing under nail
Definition
pseuodomonas infection
Term
Ecthyma gangrenosum is cause by?
Definition
pseudomonas sepsis
Term
alopecia in syphilis (what stage & appearnance?)
Definition
secondary syphilis
"moth-eaten"
Term
time from infection until secondary syphilis?
time from chancre until secondary syphilis?
Definition
- 2-6 months

- 2-10 weeks

(~3 weeks incubation before you get the chancre)
Term
imiquimod
Definition
used in HPV (activates TLR7?)
Term
Typical course of molluscum contagiosum?
Definition
regress in 6 months in immunocompetent (can reinfect & last longer)
Term
Tx for VZV neuropathic pain?
Definition
Gabapentin
Term
dermatophyte of skin & nails
Definition
trichophyton rubrum
Term
Tinea capitus dermatophyte?
Definition
Trichophyton tonsurans
Term
Transmission of dermatophytes
Definition
pretty much anything: human-human, animal-human, soil-human
Term
2 conditions associated w/ hot & humid weather
Definition
Erythrasma (corynebacterium minutissimum) & Dermatophyte infections
Term
Proxima, subungual onychomycosis?
Definition
stigmata of AIDS
Term
Tx for dermatophytes?
Definition
"allyamines" (e.g. terbinafin --> inhibits squalene epoxidase)
Term
Diaper rash, infection in intertriginous areas, angular chelitis

satellite pustules
Definition
Candida intertrigo
Term
tx of candida intertrigo?
Definition
(diaper rash, intertriginous areas, angular chelitis)

Tx w/ imidazoles or nystatin
Term
Tx for thrush?
Definition
nystatin
Term
risk factors for thrush?
Definition
immunosuppressed, diabetes, broad spectrum antibiotics
Term
Tinea versicolor pathogen
Definition
malassezia furfur; pitrosporum ovale
Term
risk factors for M.furfur infection
Definition
high humidity, high sebum production
Term
seborrhic dermatitis cause
Definition
(i.e. dandruff): M.furfur
Term
Tx Tinea versicolor
Definition
Selenium sulfide or ketoconazole
Term
What type of bug is scabies?
Definition
a mite
Term
where is scabies most commonly located?
Definition
fingers & penis
Term
Dx of scabies
Definition
mite, mite eggs, mite feces
Term
Pediculosis pubis ("Crabs") pathogen & what is it?
Definition
- Phthrius pubis
- human body louse
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