Acne

Question 1

Epidemiology: what is prevelence

Answer 1

one of the most prevalent dermatological conditions

Question 2

Epidemiology: persistence into adult years

Answer 2

50% of cases (especially in women)

Question 3

Epidemiology: is this a chronic disease

Answer 3

yes

relapses and recurrent
prolonged course
acute outbreaks
psychosocial impact

Question 4

how should you treat

Answer 4

like other chronic conditions

-effective treatment early on can control disease and dec morbidity

Question 5

are black heads caused by not cleaning skin

Answer 5

NO

Question 6

white head

Answer 6

closed comedone

first clinically visible lesion of acne

completely obstructed

Question 7

black head

Answer 7

open comedone

dark colour due to contents of comedone being oxidized (lipid and melanin)

Question 8

papule

Answer 8

solid elevated lesion <5mm

Question 9

pustule

Answer 9

vesicle filled with purulent liquid <5mm

Question 10

nodule

Answer 10

Deep lesion
warm 
tender
firm 
>5mm diameter

Question 11

cyst

Answer 11

nodule containing liquid

Question 12

mild acne

Answer 12

comedones
papules
pustules

OR mix of these

Question 13

moderate acne

Answer 13

primarily several to many papules and pustules

Question 14

severe acne

Answer 14

several to many papules and pustules along with a few to several nodules/cysts

Question 15

comedonal

Answer 15

comprised of small white (clsoed comedones) or grey/white (open comedones) papules due to complete or partial ductal occlusion

Question 16

mild-to-moderate (papulopustular)

Answer 16

inflammatory lesions that are mostly superficial with small papules, pustules