Dermatology Flashcards
rough, sandpapery patch in chronic sun-exposed areas
actinic keratosis (AK is NOT OK)
treatment of actinic keratosis
liquid nitrogen, 5-FU, imiquimod
Most common skin cancer
basal cell carcinoma
pearly, translucent lesion with a rolled boarder, may have a central scab/erosion
basal cell carcinoma
treatment of basal cell carcinoma
excision, mohs surgery
red, scaly papule or plaque that is in a sun exposed area. May look like localized eczema but does not itch, may also have a nonhealing ulcer
squamous cell carcinoma
treatment of squamous cell carcinoma
excision
ABCDEs of melanoma
A - asymmetry B - borders C - color D - diameter E - elevation, evolution
what is the best way to diagnose melanoma
excisional biopsy
treatment of melanoma
excision with adequate margins
lesion that appears stuck on and velvety
seborrheic keratosis (SK are OK)
treatment of seborrheic keratosis
none, liquid nitrogen, shave removal
topical medications used for comedomal acne
retinoids, benzol peroxide, salicylic acids, antibiotics
patient blushes with certain triggers like smoking or cold weather, telangectasias are present
rosacea
most common organism that causes folliculitis
S. aureus
most common organism associated with hot tub folliculitis
pseudomonas
papules and pustules in a follicular distribution
folliculitis
eczema or acne-like lesions only appearing around the mouth
perioral dermatitis
common cause of perioral dermatitis
corticosteroid use on the face
double open comedomes, boil like lesions and scaring mainly in axilla and groin
hidradenitis suppertiva
treatment of hidradenitis suppertiva
weight loss, avoid friction, antibacterial cleaners, corticosteroid injections for flares
honey-colored crusting
impetigo
organism most commonly causing impertigo
S. aureus
treatment for impetigo
mupirocin
organisms commonly causing cellulitis
staph or strep
warm erythematous lesion with sharply demarcated raised borders
erysipelas
treatment for erysipelas
penicillin and erythromycin
treatment for furuncles
warm compress, I&D
pearly umbilicated papules
molluscum contagiosum
vesicles grouped on an erythematous base, unilateral, in a dermatomal pattern
herpes zoster
scaly patches and plaques that do not tan in the sun
tinea vesicolor
treatment of tinea vesicolor
topical azoles
beefy red lesions with satellite papules
candida
treatment of candida
topical nystatin or azoles, dry environment and zinc oxide
lower leg lesion that is purple in color and has swelling and pitting edema
stasis dermatitis
treatment of stasis dermatitis
stockings, elevation, weight loss
greasy scale that is orange or red in color, often on scalp and face
seborrheic dermatitis
treatment for seborrheic dermatitis
ketaconazole shampoo
papule that is purple, planar, polygonal and pruritic
lichen planus (5 Ps)
treatment for lichen planus
corticosteroids
rash that starts with a herald patch and then breaks out in smaller lesions in a christmas tree pattern
pityriasis rosea
erythematous plaques with silvery scale
psoriasis
what should you not prescribe to someone with psoriasis
systemic corticosteroids
target lesions
erythema multiforme
percent epidermal detachement in SJS
<10%
treatment of SJS
systemic steroids, supportive care, pain relief, stop causative agent
percent epidermal detachement in TEN
> 30%
well circumscribed area of hair loss, no scarring, exclamation point hairs
alopecia areata
which other medical conditions are associated with alopecia areata
Hashimoto’s and pernicious anemia
treatments for androgenetic alopecia
minoxidil, hair weaves, transplants
onychomoysosis on fingernails should be treated for ____ weeks
6 weeks with lamisil