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derm - infections of the skin
PA CLin Med
56
Health Care
Graduate
12/09/2009

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Cards

Term
3 types of folliculitis:
Definition
1. mechanical
2. bacterial
3. fungal (untx tinea corporis)
Term
dome shaped pustules with erythematous halos arise in the follicle:
Definition
folliculitis
Term
most common infecting organism in folliculitis:
Definition
staph areus
Term
folliculitis w pruritic, extensive papules suddenly appear on the face neck and chest:
Definition
eosinophilic folliculitis - HIV test should be performed
Term
gram negative folliculitis is assoc w:
Definition
chronic antibiotic therapy
Term
hot tub folliculitis is caused by:
Definition
pseudomonas
Term
mechanical folliculitis is caused by:
Definition
tight pants; chronic frictional exposure
Term
can steroids cause follicullitis?
Definition
yes - appear within 2wks of systemic steroid tx
Term
folliculitis that forms a V shape on the back:
Definition
fungal Pityrosporum folliculitis
Term
folliculitis tx:
Definition
1. minimize heat, friction & occlusion
2. antibacterial soaps
3. razor changes
4. anti-staphylococcal abx
5. antifungals
Term
walled off, deep and painful mass enclosing a collection of pus that often evolves from folliculitis:
Definition
Furuncle
Term
extremely painful, deep, interconnected, aggregate of infected abscessed follicles:
Definition
Carbuncle
Term
what conditions predispose people to carbuncles/furuncles?
Definition
1. malnutrition
2. obesity
3. DM
4. leukemia
Term
favored sites of carbuncles:
Definition
1. back of neck
2. upper back
3. lateral thighs
Term
Carbuncle/furuncle Tx:
Definition
1. moist dressings changed several times a day
2. I & D w packing in large lesions
3. systemic abx for staph
Term
infection of the dermis & subcu characterized by fever, erythema, edema and pain:
Definition
Cellulitis
Term
cellulitis is most often caused by:
Definition
staph/strep
Term
cellulitis tx:
Definition
1. cool wet dressings
2. elevation of affected limb
3. abx for staph/strep
Term
acute inflammation with streaking, clearly demarcated, itching, burning, tenderness, pain, uniformly elevated shiny patch:
Definition
Erysipelas
Term
most common pathogen for erysipelas:
Definition
GAS
Term
what is the streaking associated with in erysipelas?
Definition
lymphatic involvement
Term
erysipelas tx:
Definition
1. Pen V or azithromycin
2. bed rest & elevation of affected limb
Term
most common area affected by dermatophytes:
Definition
feet
Term
webs of toes become dry, scaly, fissured, intense itching when shoes are removed:
Definition
Interdigital tinea pedis
Term
chronic, resistant form of tinea involving the entire sole which is covered with a fine, silvery scale:
Definition
Plantar hyperkeratosis
Term
pattern of infection for plantar hyperkeratosis:
Definition
1. entire sole of foot
2. hands may be similarly infected
3. pattern may be: 2hands/1foot, 2feet/1hands
Term
highly inflammatory infection that may originate from a more chronic web infection then evolve to the soles or dorsal foot, toenail or fingernail infection may acompany it:
Definition
Acute vesicular tinea pedis
Term
tinea pedis tx:
Definition
antifungals
powder may prevent recurrence
Term
tinea cruris: AKA
Definition
jock itch
Term
tinea cruris occurs almost exclusively in:
Definition
post pubertal males
Term
often bilateral, half moon shaped w well defined scaly border and central clearing:
Definition
jock itch
Term
tinea cruris tx:
Definition
1. topical antifungals
2. absorbant powders
Term
dermatophyte infection of the body, trunk, limbs:
Definition
tinea corporis
Term
tinea corporis AKA
Definition
ring worm
Term
describe tinea corporis lesions:
Definition
flat scaly, round, annular, papules that develop a raised border with hypopigmented & less scaly centers
Term
round intensly inflammed lesion with uniformly elevated, red, boggy, pustular surface
Definition
Deep inflammatory lesions of Trichophyton verrucosum
Term
tinea corporis tx:
Definition
antifungal creams
Term
deep inflammatory lesions of tinea corporis tx:
Definition
oral antifungals
Term
acquired from infected cats
Definition
tinea capitis
Term
who is most often affected with tinea capitis:
Definition
children
Term
trichophyton tonsurans:
Definition
tinea capitis
Term
4 clinical patterns of trychophyton tonsurans:
Definition
1. seborrheic dermatitis
2. inflammatory type
3. black dot pattern
4. pustular type
Term
most common type of tinea capitis:
Definition
seborrheic dermatitis
Term
describe tinea capitis, seborrheic dermatitis type:
Definition
patchy fine white adherent scale on the scalp & adenopathy is present
Term
one or more inflammed boggy, tender areas of alopecia with pustules, fever, occipital adenopathy & NEGATIVE KOH:
Definition
inflammatory tinea captits
Term
large areas of alopecia wo inflammation, mild to moderate scales, hair breaks off at scalp surface:
Definition
black dot pattern tinea capitis
Term
pustular or scabed areas wo scaring or significant hair loss, KOH is negative:
Definition
Pustular type tinea capitis
Term
Tinea capitis tx:
Definition
1. topical & oral antifungal (6-12wks)
2. prednisone may be indicated to reduce inflam of a kerion
Term
kerion:
Definition
inflammatory tinea capitis
Term
tropical and subtropical regions, numerous, small, circular, white, scaling papules on the upper trunk that may itch but are usually asymptomatic:
Definition
tinea versicolor
Term
spaghetti & meatballs:
Definition
tinea versicolor
Term
tinea versicolor tx:
Definition
1. topical selenium sulfide
2. oral if bad
Term
superficial skin infection causing asx pits in the stratum corneum usually involving the soles of the stinky stinky feet:
Definition
pitted keratolysis
Term
what is the etiology of pitted keratolysis?
Definition
Corynebacterium sp.
Term
describe the coloration of the soles of the feet in pitted keratolysis:
Definition
brown appearing dirty
Term
pitted keratolysis tx:
Definition
1. remove affected area from moisture
2. topical abx work well
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