Flashcards in 11 - Derm - Acne - Background Deck (7):
most common form? a disease of what? characterised by 3 things?
comedones, papules, pustules
effects % between 12-24? more common in who? more persistent in who?
women - 10% may persist to 40's
4 myths of acne
only affects teens
caused by poor hygiene
caused by fatty foods
improved by drinking a lot of water
pathogenesis 3 steps?
1 - increase in sebum excretion rate SER
2 - ductal hypercornification
3 - proprionibacterium acnes infection
1 - increased SER - due to? results in?
increased circulating androgens or increased sensitivity to androgens
results in seborrhea (greasy skin)
2 - ductal hypercornification 4 steps
hyperkeratosis and abnormal desquamation of follicle
?free fatty acid levels in sebum association?
leads to obstruction of follicle and retention of sebum
results in comedone formation