Derm Flashcards
how to test for fungi and dermatophytes
KOH exam
how to test for herpes/varicella zoster
Tzanck test (cytologic test)
how to test for tinea versocolor
wood light examination
how to test for scabies
skin scrapings
how do you treat acne in infants
YOU DONT
pustule formation results from proliferation of what bacteria
propionibacterium acnes
coag negative staph
yeast malassezia furfur
treatment for acne first line monotherapy
topical retinoids (tretinoin, adapalene, tazarotene)
what treatment can you add to topical retinoids
benzoyl peroxide
cause of ichthyosis
ichthyosis vulgaris
treatment for ichthyosis
ammonium lactate
severe form of ichthyosis can result in
Collodion baby or Harlequin baby
treatment of atopic dermatitis
emollients/lubricants (aquaphor, cetaphil, eucerin, vaseline) (not lotions)
steroid creams/ointments
dyshydrotic eczema manifests as
pruritic vesicular rash of hands/feet
treatment of dyshydrotic eczema
high potency topical steroids
antiperspirants
eczematous condition: excessive moisture, skin maceration leads to inflammation
Intertrigo
treatment of intertrigo
drying, mild topical steroids (not ointments)
Stratum corneum compromise
Direct chemical irritation of epidermis
irritant contact dermatitis
treatment of irritant contact dermatitis
clean and dry
common with Rhus species, nickel, neomycin
allergic contact dermatitis
treatment for allergic contact dermatitis
corticosteroids (topical or systemic)
Papular erythematous perioral rash
perioral dermatitis
treatment for perioral dermatitis
behavior change, MILD steroid cream, vaseline
Greasy, yellow (or salmon) colored, scaling lesions lesions. Non-pruritic “cradle cap”
seborrheic dermatitis
treatment for seborrheic dermatitis
topical steroids, antiseborrheic shampoos
two pigmented lesions associated with systemic disease
Cafe au lait- neurofibromatosis (greater than 6 & axillary)
Ash leaf
Mongolian Spots
Melanocytic Nevi
Salmon patches, nevus simplex, port-wine stain
Hemangiomas
Birthmarks
giant melanocytic nevi can develop into
malignant melanoma
Flat slate grey to blue
Usually lumbrosacral, buttocks –can be elsewhere
Accumulation of melanocytes
Mongolian spots
Cutaneous distribution of port wine stain,
1st branch of trigeminal nerve
Sturge Weber syndrome