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intro to dermatology & dermatitis
PA CLin Med
58
Health Care
Graduate
12/08/2009

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Term
4 layers of epidermis
Definition
1. stratum corneum
2. " granulosum
3. " spinosum
4. " basale
Term
circumscribed area of change in skin color without elevation or depression <0.5cm:
Definition
macule
Term
superficial solid lesion <0.5cm, palpable:
Definition
papule
Term
rounded, pale, red papule or plaque:
Definition
wheel
Term
circumsrcribed palpable solid lesion >0.5cm:
Definition
plaque
Term
palpable, solid, deep, round or elipsoid lesion:
Definition
nodule
Term
cicumscribed superficial cavity that contains purulent exudate:
Definition
pustule
Term
collection of cellular debris:
Definition
crust
Term
flakes of stratum corneum:
Definition
scales
Term
sharply defined red oozing defect of the epidermis:
Definition
erosion
Term
skin defect that extends into the dermis or deeper:
Definition
ulcer
Term
depression in the skin resulting from thinning of the epidermis or dermis:
Definition
atrophy
Term
a cavity containing liquid or solid materials, superficial or deep:
Definition
cyst
Term
dermatologic fxn of woods lamp:
Definition
aids in the dx of dermatophyte infections
Term
Tx for lichenified lesions:
Definition
ointments
Term
when to use wet dressings:
Definition
ulcers
Term
which class of topical steroids are the strongest? weakest?
Definition
classI - strongest
ClassVII - weakest (hydrocortisone)
Term
where should class VIIs be used?
Definition
areas of thinner skin: face, eyelids, groin, children
Term
corticosteroid side effects 4:
Definition
1. atrophy
2. telangectasia
3. acneiform eruption
4. make fungal infections worse
Term
chronic inflammatory skin dz characterized by pruritis, erythema, a predilection for skin creases, and a relapsing course:
Definition
Atopic Dermatitis
Term
what percent of atopic dermatitis presents before age 5?
Definition
90%
Term
pathophysiology of atopic dermatitis:
Definition
1, impaired epithelial barier
2. immune fxn disorder: the body's inflammatory response to environmental factors
Term
TQ: Atopic Triad -
Definition
1. asthma
2. allergic rhinitis
3. atopic dermatitis
50-75% of kids w AD will devel asthma or hay fever
50-70% have family with asthma or hay fever
Term
coin phrase for atopic dermatitis:
Definition
the itch that rashes
Term
rash location of atopic dermatitis in infants (age):
Definition
age: 2-6 months
1. face (cheeks, chin, forehead, scalp)
2. elbow
3. knee
Term
location of atopic dermatitis in children:
Definition
flexor surfaces (creasing areas)
Term
locations of atopic dermatitis in adults:
Definition
1. flexural distribution
2. hands
3. eyes
4. anogenital
Term
adult atopic dermatitis usually subsides by age:
Definition
30
Term
describe rash of atopic dermatitis in adult presentation:
Definition
thick (lichenification) & accentuation of skin lines
Term
what are the major criteria for atopic dermatitis? what are the requirements for dx?
Definition
must have 3 or more of the following & 3/23 minor criteria for dx:
1. pruritis
2. dermatitis of flexor surfaces in adults/children & the face/extensor surfaces in infants
3. chronic or relapsing dermatitis
4. personal or FHx of asthma, allergic rhinitis or AD
Term
atopic dermititis tx:
Definition
1. no cure; manage sx
2. steroids/calcineuron inhibitors
3. refer
Term
pt education for atopic dermatitis:
Definition
1. will last many years but will often become less of a problem and may even resolve
2. soaps can be the enemy
3. usually found in families with allergic problems
Term
3 things to prevent flares in atopic dermatitis:
Definition
1. moisturize skin
2. avoid perfumed soaps/lotions
3. decrease bath time
Term
which drug is alternative to topical steroids?
Definition
Elidel (pimecrolimus)
Term
broad name for many types of dermatitis:
Definition
eczema
Term
dermatitis: excess oil production(yellow greasy scaling), found in children and adults, proliferation of skin, erythema, mild pruritis:
Definition
seborrheic dermatitis
Term
distribution of seborrheic dermatitis:
Definition
1. nasolabial folds
2. eyebrows
3. scalp
Term
seborrheic dermatitis Tx:
Definition
1. antiproliferative shampoos
2. antifungals
3. topical steroids
Term
in very severe cases of seborrheic dermatitis, think about:
Definition
HIV
Term
TQ: generalized, pruritic, "coin-shaped" lesions:
Definition
Nummular Eczema
Term
etiology of nummular eczema:
Definition
unknown
Term
clinical presentation of nummular eczema:
Definition
intensly pruritic circular patches of ezematous dermatitis of the trunk and lower extremities with spontaneous onset.
Term
3 tx for nummular dermatitis:
Definition
1. topical steroids
2. moisturize
3. light therapy
Term
vesicular lesions 1-5mm with clear fluid. intensely pruritic involving the palms, soles, lateral aspects of fingers:
Definition
dyshidrotic dermatitis
Term
etiology of dishydrotic dermatitis:
Definition
unknown but made worse by sweating
Term
prognosis for dyshidrotic dermatitis:
Definition
1. vesicles resolve slowly over 1-3 weeks
2. may have chronic eczematous changes
3. recur indefinately
Term
dyshidrotic dermatitis tx:
Definition
1. wet dressings BID
2. medium to potent topical steroids
3. UV tx in resistant cases
Term
8yo F c/o pustules/papules around nasolabial folds and chin but sparing the vermilion border. She state excessive use of moisturizers and cosmetics:
Definition
perioral dermatitis
Term
perioral dermatitis tx:
Definition
1. stop moisturizers/cosmetics
2. use mild soap
3. topical or oral antibiotics is bacterial etiology is suspected
Term
eczematous reaction in patients with chronic venous insufficiency in lower legs and ankles:
Definition
stasis dermatitis
Term
describe subacute stasis dermatitis:
Definition
winter months, legs become dry, scaly, pruritic with darkening skin
Term
subacute stasis dermatitis tx:
Definition
topica steroid ointments (II-V) & lubricants
Term
describe acute stasis dermatitis:
Definition
red superficial, pruritis plaque that weeps and develops crusts
Term
cyanotic red plaque over medial maleolus, thick skin, cycles of healing and recurrent attacks:
Definition
chronic stasis dermatitis
Term
ACUTE & CHRONIC stasis dermatitis tx:
Definition
1. topical steroids (III-V) but not in ulcer
2. wet dressingd
3. compression stockings
Term
eruption that is created by habitual scratching of a single localized area:
Definition
lichen simplex chronicus (neurodermatitis)
Term
describe lichen simplex chronicus:
Definition
thick, oval, singular, lesion with severe itching and lichenification
Term
lichen simplex chronicus tx:
Definition
1. STOP ITCHING (cover at night)
2. Topical steroids
3. oral steroids if severe
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