Inflammatory Dermatoses Flashcards
1
Q
Why acne is so common in teens
A
hormone-associated increase in sebum + excess keratinization of follicles
blocked off
lipases of P. acne digest sebum –> inflammation
2
Q
Psoriasis primarily due to
A
excessive keratinocyte proliferation
3
Q
Auspitz sign
A
psoriasis
because of shallow epidermis over elongated dermal papillae
rub away shallow dermis –> reveal dermis
microbleeds = Auspitz sign
4
Q
Lichen planus way to remember
A
P’s
pruritic, planar, polygonal, purple
5
Q
Histology of lichen planus
A
inflammation at dermal-epidermal junction
