Dermatology in the Office Flashcards by Matt Stanton

types of eczematoid dermatitis

atopic
contact
stasis

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shingles across dermatome

herpes zoster

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IgA bullous dermatitis

drugs

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marker for malignancy

seborrheic keratosis

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lesions stuck on - signs of leser trelat

multiple seborrheic keratosis

underlying GI malignancy

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multiple melanoma mets

to liver

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staphylococcus

forms biofilm blocks sweat glands

TLR2 - activated in areas where blocked sweat duct

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tx of eczema

steroids and oil based moisturizer

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job syndrome

hyper IgE
eczema plus a neutrophil problem

decreased IL8**

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child hx staphylococcal abscess, pneumonia, high IgE, high eosinophils, rash

primary problem?

phagocytic dysfunction

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thrombocytopenia and eczema

wiskott aldrich

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nervous scratching

lichen simplex chronicus

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dry itching lesion in winter

nummular eczema

coin shaped - from washing too much

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silver sheen lesion

psoriasis

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flare up of psoriasis

stop steroid use

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flare up of psoriasis

may be marker for HIV

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breakout with contact

koebner phenomenon

ex/ poison ivy

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associated with MI, athersclerosis, metabolic syndrome, NAFLD, IBD, depression

psoriasis

suppressed Treg cells and hyperactive Th1 and Th17 cells

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nail pits and oil spots

psoriasis

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ring worm diagnosis

KOH prep

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proximal superficial onychomycosis

suggest of AIDS

should normally see fungal infection of distal nail, not proximal

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woods yellow fluorescence

malassezia fur fur - tinea versicolor

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worsening of tinea versicolor

cushings, malnutrition, and immunosuppression

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steroid acne

same condition of malassezia folliculitis

proliferation of malassexia yeast - pitysporum

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pink fluorescence under woods

corynbacterium

green under woods

cat ringworm | -microsporum canis

exfoliative dermatitis tx

need fluids - due to dehydration

women BCP, hep C, elevated ALT, increased temporal hair growth, polychlorinated aromatic hydrocarbon exposure

HUD deficiency porphyria pathway defect

red on woods

urine with porphyria

caterpillar bodies

uroporphyrinogen deposition

b/l pneumonia and bullous myringitis

mycoplasma infection

target lesion

erythema multiforme

due to drugs

SNS and TEN steven johnson syndrome toxic epidermial mecrolysis

cytotoxic T cells to 2x oral membranes

SNS and TEN

causes of SJS/TEN

west - oxicam NSAIDs, sulfas east - carbamazepine, allopurinol

carbamazepine

cause of SJS/TEN in east

HLA B1502 and HLA B5801

susceptible to SJS/TEN B1502 - carbamazepine B5801 - allopurinol

30% of body involved with fever, conjunctivitis, pharyngitis, GI ulcers, tracheal erosions, pancytopeni, and sepsis

TEN - after >30% of body covered

sharp demarcation

strep infection St. anthonys fire if on face

associated with colon, gyn, lymphoreticular malignancy

clostridium septicum

rash after spa

pseudomonas

eosinophilic folliculitis

HIV

staph folliculitis

itches

tattoo artist, complains of spider bite

MRSA infection

comedones

acne vulgaris - clogged hair follicles

impetigo concern

post strep GN

acne bug

propionibacterium acnes

tenalgiectasia and erythema

rosascea

rhinophyma

rosascea enlarges nose

complication of rosascea

can go blind - corneal melting also associated with parkinsons

parkinsons association

rosascea and seborrheic dermatitis

demodex mite

rosascea

parkinsons

TRAMP2S3 S - swallowing, seborrheic dermatitis, slow speech

tremor asked to smile

get seborrheic dermatitis | -with parkinsons

bug in seborrheic dermatitis

malassezia furfur | -yeast

condyloma acumanatum

HPV

condyloma latum

syphilis

lyme disease

ioxides scapularis - deer tick

herpes zoster complication

involve eye | -refer to ophthalmology

stages of lymes

1 - targetoid lesion - flu symptoms 2 - dissemination - heart block bells palsy**, migratory arthralgias 3 - late joints and CNS/PNS - oligoarthritis, encephalitis

pox virus

molluscum contagiosum umbilicated lesions

long incubation, in HS wrestlers, umbilicated lesion

molluscum contagiosum - pox virus

HHV8

kaposi sarcoma with HIV - CD4<500

christmas tree distribution

pityriasis rosea | -herald patch where started

complication with pityriasis rosea

spontaneous abortion in pregnant and looks like syphilis

physician intubated without gloves

herpes | -herpetic whitlow

parvovirus B19

fifths disease mother with iron defiency anemia - may develop aplastic anemia ssDNA virus

petechia on soft palate

forschheimer sign associated with rubella

blueberry muffin baby

rubella -togairus - ssRNA -rash, headache, polyarthritis, malaise, lymphadenopathy, dermal hematopoiesis, deafblindness

rash and bluish white spots in mouth, fever, conjunctivitis, coryza, cough

rubeola measles koplik spots

measles

paramyxovirus | -ssRNA

seven year itch

scabies - mites

vagabonds disease

crabs - louse

cocaine and cutaneous necrosis

levamisole

elevations on nails

beaus line marker for acute illness

clubbing of fingers

periosteal new bone formation lung cancer, cardiac issues PDF, VEGF, and PGE2 osteoblast proliferation subperiosteal new bone formation

DRESS

drug rash with eosinophilia and systemic disorder 2-6 weeks after start new med progression to acral edema and pinpoint pustules and desquamation IL5 disease**

tuberculin rxn

macrophage activation | type IVa gell combs

poison ivy

contact dermatitis macrophage activation type IVa gell combs

B cell lymphoma with angioedema

Abs against C1 esterase - leads to deficiency

cause of angioedema

bradykinin screen with C4

bee sting rxn

IgE type 1

anaphylaxis

IgE mast cell degranulation

CRH

stress released | -can cause hives

wheals that lead to ecchymosis

urticarial vasculitis if urticaria >24 hours - chronic

T cell lymphoma

mycosis fungoides

stages of mycosis fungoides

patch plaque tumor problem - invades organs

vitiligo

HLA B27 association autoimmune - check adrenal and thyroid

subacute cutaneous lupus erythematous

photosensitive -RO/SSA Abs daughter with heart block

RO/SSA Abs

SCLE

erythema nodosum

streptococcus

celiac association

dermatitis herpetiformis vesicular lesions - IgA deposits in skin

nikolskys sign

rub off skin seen with pemphigus

granuloma annulare expect what

hyperlipidemia reddish bumps on skin in circle or ring shape