geriatric derm Flashcards
UV light causes which changes to skin (4)
- DNA damage
- decr DNA repair
- oxidative and lysosomal damage
- altered collagen structure
wat is the only agent shown to be effective against treating photodamage
tretinoin
erythema and greasy looking scales on hairline, nasolabial fold, midline chest
seborrheic dermatitis
seborrheic dermatitis is more common in who?
PD
diffuse erythema and erythematous papules and papulopustules seen on cheeks, forehead, chin
rosacea
early rhinophyma
rosacea
what is xerosis
dryness
what should moisterizing agents used for xerosis contain?
lactic acid or alpha-hydroxy acids to reduce roughness
chronic, pruritic condition d/t anxiety
neurodermatitis
moist erythema, maceration, superficial erosion in web space b/w 4th-5th toes
intertrigo
intertrigo is most commonly caused by
candida
tense fluid filled and hemorrhagic bullae on normal or erythematous base; on trunk and extremities; autoimmune
bullous pemphigoid
proliferation of keratinocytes, usu benign
cutaneous horns
decr venous return triggered by chronic venous HTN and incompetent valves; on medial supramalleolar areas with pruritis and potential for ulceration
stasis dermatitis
yellow, thickened and friable nails with yellow brown debris under nail plate
onychomycosis