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38 Cards in this Set
- Front
- Back
Red, cracking, chininess of wt bearing portion of foot;
** no interdigitial involvement vs what other diz? |
Juvenile Plantar dermatosis (sweaty sock syndrome)
-vs tinea pedis: + interdigital; -tx: Thck emollients BID-TID; topical CS |
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Papules or vesicles that develop into coin shaped plaques, pruritic; mimics T. corporis impetigo
-dx adn tx? |
Nummular Eczema ~ dry skin
-tx: ~ AD; topical CS |
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Firm, small skin colored or red papules on cheeks, upper arms, ant thigh (ANNA);
--dx adn tx? |
Keratosis pilaris
-tx: nothing, emollients, keratoylitcs or mechanical removal |
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Oval, poorly demarcated hypopigmented patches on face (MARY), upper ext, r/o T. versicolor!!;
-dx and tx? |
Pityriasis Alba (mary)
-tx: Tx: none, emollients, topical CS |
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Chronic intermittent vesicular eruption; starts on fingers, then spreads to palms; older kids, teens; severe itching
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Dishidrotic Eczema or Pomphylox
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invasion of exzematous skin by herpes, not responsive to antbx; vesicular lesions;
-? how dx? tx |
Eczema herpeticum;
confirm: Tzanck smear; Tx: acyclovir |
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-Sx: mild scalp SCALING w/o alopecia; block dot alopecia w/ broken hair
-also see -scaly patches w/ alopecia (think if no response to seb derm); Kerion -how transmitted; dx? |
TInea Capitus;
-transmitted: Cz: Trichophyton tonsurans – human – human; Microsporum canis: cats, dogs; -also fomite transmission; |
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tx of T. capitus?
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Tx: systemic tx ! Griseofulvin x 2-3 mo(se: HA, GI upset); other: ketoconazole, terbinafine –cidal; itracnazole
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Red papule or pustule → RED SCALY plaque; often clears centrally,
-dx and tx? |
tinea corporis ;
-Dx: KOH: branching hyphae w/o spores; Tx: topical antifungals x 2-4 wks; avoid antifungal-topical steroid combos |
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Intertriginous macertaion, fissuring, redness w/ scaling or pustules over instep, diffuse heyperkeratosis ; +/- nail involvement
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t. pedis;
-Dx: KOH Tx: topical antifungals; +/- kertalytic agent if significant scaling; systemic antifungal (itraconazole if nail involvement_ |
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starts lateral distal nail, discoloration, onycholysis, subungal debri; dx and tx?
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-Oncychomycosis
tx: Terbinafine or itraconazole; avoid griseofulvin!! |
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adolescents, warm humid seasons;
-oval macules, hyper/o red to tan-brown, fine scale if scraped; on upper back, shoulders, prox UE; face in kids -cz, dx, how dx, and tx? Worse w/ ? |
Tinea versicolor (pityriasis Versicolor)
cz: l snkin flora (p orbiculare or Masasezzia furfur) -DX: spaghetti/meatballs on KOH; fluoresce w/ woods lamp; worse w/ sun -Tx: antifungals, zinc or selenium shampoos; -resistant cases: ketocanozole, fluconazole |
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Primary lesions: burrows, papules, vesicles, mainly interriginous areas –older kids/adolescents; pustular erutpions on palms, soles infants; can develop indurated red nodules x months;
-cz/dx/tx? |
Mite: sarcoptes scabei;
-Dx: mite, eggs, feces on scrapping Tx: whole family: perithrin (elimite) topically x 8 -14 hrs; -wash bedding, clothes in hot water, treat prurutis (last wks after treatment) -resistant cases: ivermectin orally |
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hypersenstivity response to bites of mosquitos, fleas, bedbugs, mites or other insects
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Papularlar urticaria
-Tx: topical CS, oral antihistamines |
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how long can lice last? whose more effected? cz?
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Cz: pediculosis, capitis: F> M; Whites > AA;
-last 36 hrs w/o blood meal, eggs on hair shafts can hatch 10 d later; -pubic lice can exist on other hair (face), slower, impact all races equally |
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tx lice?
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Tx: permithrin 1%
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cz of warts? tx?
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Cz: paillomavirus;
-spont resolve: ½ by 1 year, 70% by 2 years; Tx: cryotherapy w/ liquid nitrogen; salicylic acid preps; duct tape, topical retinoic acid |
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white yellow or skin colored papules, w/ Central umbilication
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Cz: poxvirus:
-molluscum; no tx; resolves on own |
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school aged, adolescents; starts w/ herald patch, mimics tinea coprois-oval red, scaly plaques
-followed in days – wks by multiple oval, red plaques w/ central scale; * most prominent on trunk, long axis follows skin cleavage lines; *spares soles, and palms (vs syphilis, + LAD, F); what's pattern? tx? |
Pityriasis Rosea -winter/early spring
-christmas tree pattern -Tx: supportive : sun decreases itching; antipruritis; -erythromycin po may speed resolution |
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dDX of p. rosea:
** R/o secondary syphilis in sex active teen; consider guttate psoriasis if doesn’t clear over time -Tinea corporis: elevated border w/ central clearing -nummular eczema: crusting erosions - Tinea Versicolor: hyper/o pigmented scaling macules |
d
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-skin colored or red, firm nodules that can form a ring w/ central atrophy or depression; NON scaling (Vs. Tinea)
-most commonly on dorsum of writs and ankles, no epidermal involvement; -dx, tx? |
Granuloma Annulare
--resolves spontaneously; -occasionally : high potency toical CS or local steroid injections |
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cz of acne? cz of closed, open lesions?
-Moderate: red papules w/ many pustules→ tretinoin + BP; topical antbx prn; -Severe: papules, pustules, cysts, scarring→ BP, antbx, tretinoin; if resistant, use Isotreninoin: decreases sebaceous gland x 5 mo |
-P. acnes;
-closed : - white heads, open – blackheads; Tx: topical tretinoin: * comedones (liquids > gels > creams)-SE: sun sensitivity; |
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Mild comedonal acne tx?
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→low strength tretinoin cream or BP
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red papupues w/ few pustules: what class of acne, and tx?
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-Mild inflamm: →BP
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red papules w/ many pustules→? kind of acne, tx?
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Moderate acne: tretinoin + BP; topical antbx prn
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: papules, pustules, cysts, scarring; ? kind of acne, tx?
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Severe: → BP, antbx, tretinoin; if resistant, use Isotreninoin: decreases sebaceous gland x 5 mo;
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naturally occurring psoralens (limes, lemons, celery, grasses) →dermatitis > UVA exposure;
Sx: redness, blister, streaky hyperpigmentation |
Phytophotodermatitis
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AI d/o w/ T lymph attacking hair follicle; ~ thyroiditis
-no inflamm or scarring; diffuse hair loss; near margins – exclamation hairs; ~?; dx ? |
alopecia areata;
~ nail defects: pitting, |
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- Most common diffuse thinning of scalp hair; round patches, well defined
-Meds: ACEI, antibocag, anticonvuls, propanolol, OCP, isotrention; thyroid, SLE, iron def, hypervitam |
T. effluvium
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: incomplete alopecia w/ broken off hairs
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Traction Alopecia
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F > M; scalp, eyebrows, eyelashes; irreg patch of incomplete alopecia w/ broken off hairs of diff lengths, irregular patch ~ thumb sucking, nail biting, nose picking, lip biting; ~ OCD
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Trichotilomania
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most common : scalp, also face, trunk, ext;
-sharply demarcated, superficial erosions or deep ulcers w/ granulation |
Aplasia cutis congenital: congen absence of skin
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-partially or completely depigmented macules or patches w/ sharply defined borders
- spontaneous repigmentation in 10-20% ANA, CBC, fasting blod glucose; TSH -Woods lamp: ivory appearance; BX: no melanocytes -dx, tx? |
vitiligo; tx: Cs
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Sharply defined depigmentaion on NB ~?
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piebaldism~ Waardenburg’s: white forelock, white patches on skin, heterocrhomia of iris, B/L sensorinueral deafness, some forms w/ skeletal abnl, hirschprungs
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Silvery, whites, small red papules→ bright red well defined plaques w/ silver grey scale at center of lesion
*? : removal of scale →pinpoint bleeding; ~ nail involvement (pitting, discoloration, onycholysis); *?phenomenon: lesions are induced > local truama |
psoriasis; Immune mediated d/o; genetic + envtl trigger (skin injury, GAS)
-scale removal--> bleeding: auspitz -koebner: phenomenon: lesions are induced > local truama -Tinea corpus: scaly lesions –thin not thick; w/ central clearing |
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DDX: psoriasis
- non bullous impetigo: oozing, crusting -nummular eczema: round, oozing, crusting erosions, dry macules w/ fine scaly pattern -pityriasis rosea: small oval, thick scaling plaques- long axis of lesions parallel skin: christmas tree |
d
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Small round lesions over trunk,
-tear drop lesions ~ arthritis, uveitis; + by what? dx? |
guttate psoriasis; + by GAS phargyntitis or perianal cellutlits, often URI sx w/in 3 weeks of onset
-tx: TX: GAS infx; -topical CS: first line; -Tar |
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Pigmented lesions→hives,blisters w/ rubbing (? sign); infant 1st 6 mo life
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-urticaria pigmentosa;
-Darrier sign -No tx; avoid narcotic pain meds, radiocontrast dye |