DERM - Geriatric dermatology

Question 1

how does the dermal-epidermal junction change with aging?

Answer 1

interdigitations between dermis and epidermis flatten:

• reduced contact
• decreased nutrient transfer
• increased skin fragility
• easy bruising

Question 2

decreased lipids in the top skin layer with aging leads to:

Answer 2

• dryness and roughness

- decreased barrier function

Question 3

dryness and roughness and decreased barrier function in aging is due to:

Answer 3

decreased lipids in top skin layer

Question 4

what is the only agent shown to be effective in treating photodamage?

Answer 4

topical tretinoin

Question 5

what is the appearance of seborrheic dermatitis?

Answer 5

erythema and greasy looking scales

Question 6

diffuse erythema and erythematous papules and papulopustules seen on cheeks, forehead, chin

Answer 6

rosacea

Question 7

what can be used for severe or refractory rosacea?

Answer 7

oral tretinoin

Question 8

neurodermatitis is aka:

Answer 8

lichen simplex chronicus

Question 9

moist erythema, maceration, and superficial erosion

Answer 9

intertrigo and candidiasis

Question 10

bullous pemphigoid antibodies are against:

Answer 10

hemidesmosomes

Question 11

what is the treatment of bullous pemphigoid?

Answer 11

• topical corticosteroid
• calcineurin inhibitor
• nicotinamide with tetracycline

Question 12

cutaneous horns are derived from what skin layer?

Answer 12

epidermis

Question 13

stasis dermatitis is an early sign of _________? what is it triggered by?

Answer 13

• chronic venous insufficiency of legs

- chronic venous HTN and incompetent valves