Even more pics Flashcards

left to right
- closed comedones
- open comedones
- papules/pustules
- nodules
acne

left to right
acne
- mild: papules/pustules
2: moderate: papules/pustules/nodules - severe: papules/pustules/nodules

mild to moderate comedonal acne
Tx: topical retinoid

mild mixed acne
topical retinoid and topical antibiotic

moderate mixed acne
Tx: topical retinoid and topical antimicrobial and oral antibiotic

severe mixed/inflammatory acne
Tx: isotretinoin

severe mixed acne
minimal scarring: topical retinoid and topical antimicrobial and oral antibiotic
more severe scarring: isotretinoin

chest/back acne
Tx: isotretinoin

rosacea

perioral dermatitis

folliculitis

scars from hidradenitis suppurativa

Herpes simplex

Tzanck smear
multinucleated giant cells
herpes

VZV
shingles

molluscum contagiosum

inflamed molluscum

common warts

filiform warts

flat warts

plantar warts

plantar warts

left: callus
right top: corn
right bottom: talon noir (black heel)

anogenital warts

scaling, seb derm like vs. localized plaques
tenia capitis

pathcy alopecia
tenia capitis

black dot pattern, broken hair shafts
tenia capitis

pustules
tenia capitis

kerion: may cause permanent scarring alopecia
tenia capitis

KOH of scale and/or broken hair
tenia capitis

seborrheic dermatitis
cradle cap: waxy yellow scale
teens and adults with dandruff

psoriasis
erythematous plaques with silvery scale: favore postquricular and posterior hairline

well-circumscribed smooth bald patches
alopecia areata

tinea corpus

tinea corporis: tinea incognito (steroids altered the appearance)

Majocchi’s granuloma: granulomatous folliculitis

nummular atopic dermatitis

granuloma annulare
raised rubbery rim, no scale
dorsal hands, wrists, feet, ankles

tinea manuum
palmar: fine scale, may be unilateral
dorsal: annular, red, scaly

tinea cruris

top: candidiasis
middle/bottom: erythrasma: no scale, coral red fluorescence

tinea pedis

contact dermatitis
dorsal feet affected

dyshidrotic eczema
tapioca vesicles

tinea unguium: distal subungual
MOST COMMON
invasion of distal nail plate, onycholysis with thickening and discoloration

tinea unguium: proximal subungual
uncommon, HIV positive

tinea unguium: white superficial
white plaques on dorasl nail plate

tinea unguium: candida

chronic paronychia
nail dystrophy: candida albicans

trachyonychia: 20 nail dystrophy
ridging, grooves, pitting, discoloration, fragility

Beau’s lines
transverse grooves or furrows
stress causes temporary arrest of nail matrix
nail may shed

physical trauma
usually symmetrical: often both great toes, second toes, or fifth
pressure from ill fitting shoes

Habit Tic deformity
habitual picking at cuticle

tinea versicolor

pityriasis alba
atopic background, common on face

KOH prep
spaghetti and meatballs (hyphae and spores)

candidiasis
angular chelitis: oral commissures due to increased moisture (elderly, denutres, lip lickers)